Here's a diff of solaris-large-server and solaris-desktop Install Groups for both Solaris 11 11/11 and Solaris 11.1:

Solaris 11 11/11:

Packages that are in solaris-large-server but Not in solaris-desktop

driver/infiniband/connectx

driver/infiniband/tavor

editor/vim/vim-core

install/installadm

install/js2ai

network/open-fabrics

service/key-management/sun-fire-15000

service/network/dhcp/isc-dhcp

service/network/dns/bind

service/network/finger

service/network/ftp

service/network/legacy-network-services

service/network/legacy-remote-utilities

service/network/talk

service/network/telnet

service/network/tftp

system/boot/wanboot

system/domain-configuration/sparc-enterprise

system/domain-service-processor-protocol/sparc-enterprise

system/dynamic-reconfiguration

system/embedded-fcode-interpreter

system/io/infiniband/ethernet-over-ib

system/io/infiniband/ib-device-mgt-agent

system/io/infiniband/ib-sockets-direct

system/io/infiniband/ip-over-ib

system/io/infiniband/open-fabrics

system/io/infiniband/reliable-datagram-sockets

system/io/infiniband/reliable-datagram-sockets-v3

system/io/infiniband/rpc-over-rdma

system/io/infiniband/udapl

system/kernel/dynamic-reconfiguration/sun-fire-15000

system/kernel/dynamic-reconfiguration/sun-fire-880

system/kernel/dynamic-reconfiguration/ultra-enterprise-10000

system/kernel/inter-domain/ultra-enterprise-10000

system/ldoms/ldomsmanager

system/network-console

system/kernel/dynamic-reconfiguration/i86pc

Packages that are in solaris-desktop but Not in solaris-large-server

codec/flac

audio/audio-utilities

codec/ogg-vorbis

codec/speex

communication/im/pidgin

codec/libtheora

crypto/gnupg

desktop/administration/nwam-manager

desktop/archive-manager/file-roller

desktop/calculator/gcalctool

desktop/cd-burning/brasero

desktop/cd-ripping/sound-juicer

desktop/character-map/gucharmap

desktop/compiz

desktop/gksu

desktop/pdf-viewer/evince

desktop/remote-desktop/tigervnc

desktop/system-monitor/gnome-system-monitor

desktop/time-slider

desktop/window-manager/twm

desktop/xdg/menu-editor/alacarte

desktop/xdg/xdg-user-dirs-gtk

desktop/xdg/xdg-utils

desktop/xscreensaver

developer/gnome/gnome-doc-utils

diagnostic/xload

documentation/gnome/gnome-user-docs

driver/audio/audio-usb

driver/audio/audiols

driver/audio/audiop16x

driver/graphics/usbvc

driver/ieee-1394/av1394

driver/ieee-1394/dcam1394

driver/x11/winlock

editor/gedit

editor/gedit/gedit-plugins

editor/gvim

gnome/accessibility/orca

gnome/applet/gnome-applets

gnome/applet/gnome-fun-applets

gnome/applet/gnome-internet-applets

gnome/applet/gnome-intranet-applets

gnome/applet/gnome-mm-applets

gnome/applet/gnome-utility-applets

gnome/disk-analyzer/baobab

gnome/file-manager/nautilus

gnome/ggv

gnome/gnome-audio

gnome/gnome-camera

gnome/gnome-dictionary

gnome/gnome-keyring

gnome/gnome-log-viewer

gnome/gnome-panel

gnome/gnome-power-manager

gnome/gnome-remote-desktop

gnome/gnome-screenshot

gnome/gnome-search-tool

gnome/gnome-session

gnome/help-viewer/yelp

gnome/media/gnome-media

gnome/media/gnome-media-player

gnome/preferences/control-center

gnome/speech/gnome-speech

gnome/speech/gnome-speech/driver/gnome-speech-espeak

gnome/theme/background/os-backgrounds

gnome/theme/background/os-backgrounds-extra

gnome/theme/gnome-icon-theme

gnome/theme/gnome-themes

gnome/theme/gtk2-engines

gnome/theme/hicolor-icon-theme

gnome/theme/nimbus

gnome/theme/nimbus-hires

gnome/theme/sound/xdg-sound-theme

gnome/theme/tango-icon-theme

gnome/window-manager/metacity

gnome/zenity

image/dcraw

image/imagemagick

image/viewer/eog

library/accessibility/brltty

library/demo/audio-samples

library/desktop/gtk2/gtk-backend-cups

library/desktop/search/tracker

library/gnome/gvfs

library/libproxy/libproxy-gnome

library/myspell/dictionary/de

library/myspell/dictionary/en

library/myspell/dictionary/es

library/myspell/dictionary/fr

library/myspell/dictionary/it

library/myspell/dictionary/pt_br

library/python-2/coherence-26

mail/thunderbird

mail/thunderbird/plugin/thunderbird-lightning

package/pkg/package-manager

package/pkg/update-manager

print/cups/system-config-printer

print/filter/ghostscript

print/filter/ghostscript/fonts/gnu-gs-fonts-other

print/filter/ghostscript/fonts/gnu-gs-fonts-std

print/filter/gutenprint

print/mp

release/os-welcome

service/gnome/desktop-cache

service/postrun

system/display-manager/desktop-startup

system/display-manager/gdm

system/file-system/smb

system/font/truetype/arphic-uming

system/font/truetype/dejavu

system/font/truetype/hanyang-ko-core

system/font/truetype/ipafont

system/font/truetype/liberation

system/font/truetype/lohit

system/font/xorg/iso8859-1

system/font/xorg/xorg-core

system/graphics/fbconfig

system/graphics/fbconfig/fbconfig-ast

system/graphics/fbconfig/fbconfig-efb

system/input-method/ibus

system/input-method/ibus/anthy

system/input-method/ibus/chewing

system/input-method/ibus/hangul

system/input-method/ibus/ibus-m17n

system/input-method/ibus/sayura

system/input-method/ibus/sunpinyin

system/input-method/ibus/xkbc

system/input-method/imf-startup

system/io/audio

system/keyboard/kbd_mode

system/locale/support

system/management/visual-panels

system/network/avahi

terminal/fbconsole

terminal/gnome-terminal

terminal/xterm

web/browser/firefox

web/browser/firefox/plugin/firefox-flashplayer

web/browser/firefox/plugin/firefox-java

web/browser/w3m

web/data/firefox-bookmarks

x11/colormap-utilities

x11/data/workspace-patterns

x11/data/xbitmaps

x11/data/xcursor-themes

x11/demo

x11/demo/mesa-demos

x11/diagnostic/x11-info-clients

x11/diagnostic/xev

x11/diagnostic/xscope

x11/documentation/xorg-docs

x11/font-utilities

x11/keyboard/data-xkb

x11/keyboard/xkb-utilities

x11/keyboard/xkbcomp

x11/server/xephyr

x11/server/xorg

x11/server/xorg/driver/xorg-input-keyboard

x11/server/xorg/driver/xorg-input-mouse

x11/server/xorg/driver/xorg-input-void

x11/server/xorg/driver/xorg-video

x11/server/xvnc

x11/session/sessreg

x11/session/smproxy

x11/session/winsysck

x11/session/xauth

x11/session/xinit

x11/x11-server-utilities

x11/x11-window-dump

x11/xcalc

x11/xclipboard

x11/xfd

x11/xfontsel

x11/xfs

x11/xfs/xfs-utilities

x11/xkill

x11/xlock

x11/xmag

x11/xvidtune

desktop/administration/gparted

desktop/compiz/ccsm

desktop/compiz/library/compizconfig-gconf

desktop/compiz/plugin/compiz-fusion-extra

desktop/compiz/plugin/compiz-fusion-main

driver/audio/audio810

driver/audio/audiocmi

driver/audio/audioemu10k

driver/audio/audiohd

driver/audio/audioixp

driver/audio/audiosolo

driver/audio/audiovia823x

driver/graphics/agpgart

driver/graphics/atiatom

driver/graphics/drm

driver/graphics/nvidia

driver/x11/xsvc

system/file-system/ntfsprogs

system/storage/parted

x11/server/xorg/driver/xorg-input-acecad

x11/server/xorg/driver/xorg-input-hotkey

x11/server/xorg/driver/xorg-input-synaptics

x11/server/xorg/driver/xorg-input-vmmouse

Solaris 11.1:

Packages that are in solaris-large-server but Not in solaris-desktop

driver/infiniband/connectx

editor/vim/vim-core

install/installadm

install/js2ai

network/open-fabrics

service/network/dhcp/isc-dhcp

service/network/dns/bind

service/network/finger

service/network/ftp

service/network/legacy-network-services

service/network/legacy-remote-utilities

service/network/talk

service/network/telnet

service/network/tftp

service/security/key-management/sparc-enterprise

system/boot/wanboot

system/domain-configuration/sparc-enterprise

system/domain-service-processor-protocol/sparc-enterprise

system/dynamic-reconfiguration

system/embedded-fcode-interpreter

system/io/infiniband/ethernet-over-ib

system/io/infiniband/ib-device-mgt-agent

system/io/infiniband/ib-sockets-direct

system/io/infiniband/ip-over-ib

system/io/infiniband/open-fabrics

system/io/infiniband/reliable-datagram-sockets

system/io/infiniband/reliable-datagram-sockets-v3

system/io/infiniband/rpc-over-rdma

system/io/infiniband/udapl

system/kernel/dynamic-reconfiguration/i86pc

system/ldoms/ldomsmanager

Packages that are in solaris-dekstop but Not in solaris-large-server

audio/audio-utilities

codec/flac

codec/libtheora

codec/ogg-vorbis

codec/speex

communication/im/pidgin

crypto/gnupg

desktop/administration/gparted

desktop/administration/nwam-manager

desktop/archive-manager/file-roller

desktop/calculator/gcalctool

desktop/cd-burning/brasero

desktop/cd-ripping/sound-juicer

desktop/character-map/gucharmap

desktop/compiz

desktop/compiz/ccsm

desktop/compiz/library/compizconfig-gconf

desktop/compiz/plugin/compiz-fusion-extra

desktop/compiz/plugin/compiz-fusion-main

desktop/gksu

desktop/pdf-viewer/evince

desktop/remote-desktop/tigervnc

desktop/system-monitor/gnome-system-monitor

desktop/time-slider

desktop/window-manager/twm

desktop/xdg/menu-editor/alacarte

desktop/xdg/xdg-user-dirs-gtk

desktop/xdg/xdg-utils

desktop/xscreensaver

developer/gnome/gnome-doc-utils

diagnostic/xload

documentation/gnome/gnome-user-docs

driver/audio/audio-usb

driver/audio/audio810

driver/audio/audiocmi

driver/audio/audioemu10k

driver/audio/audiohd

driver/audio/audioixp

driver/audio/audiols

driver/audio/audiop16x

driver/audio/audiosolo

driver/audio/audiovia823x

driver/graphics/agpgart

driver/graphics/atiatom

driver/graphics/drm

driver/graphics/nvidia

driver/graphics/usbvc

driver/ieee-1394/av1394

driver/ieee-1394/dcam1394

driver/x11/winlock

driver/x11/xsvc

editor/gedit

editor/gedit/gedit-plugins

editor/gvim

gnome/accessibility/orca

gnome/applet/gnome-applets

gnome/applet/gnome-fun-applets

gnome/applet/gnome-internet-applets

gnome/applet/gnome-intranet-applets

gnome/applet/gnome-mm-applets

gnome/applet/gnome-utility-applets

gnome/disk-analyzer/baobab

gnome/file-manager/nautilus

gnome/ggv

gnome/gnome-audio

gnome/gnome-camera

gnome/gnome-dictionary

gnome/gnome-keyring

gnome/gnome-log-viewer

gnome/gnome-panel

gnome/gnome-power-manager

gnome/gnome-remote-desktop

gnome/gnome-screenshot

gnome/gnome-search-tool

gnome/gnome-session

gnome/help-viewer/yelp

gnome/media/gnome-media

gnome/media/gnome-media-player

gnome/preferences/control-center

gnome/speech/gnome-speech

gnome/speech/gnome-speech/driver/gnome-speech-espeak

gnome/theme/background/os-backgrounds

gnome/theme/background/os-backgrounds-extra

gnome/theme/gnome-icon-theme

gnome/theme/gnome-themes

gnome/theme/gtk2-engines

gnome/theme/hicolor-icon-theme

gnome/theme/nimbus

gnome/theme/nimbus-hires

gnome/theme/sound/xdg-sound-theme

gnome/theme/tango-icon-theme

gnome/window-manager/metacity

gnome/zenity

image/dcraw

image/imagemagick

image/viewer/eog

library/accessibility/brltty

library/demo/audio-samples

library/desktop/gtk2/gtk-backend-cups

library/desktop/search/tracker

library/gnome/gvfs

library/libproxy/libproxy-gnome

library/myspell/dictionary/de

library/myspell/dictionary/en

library/myspell/dictionary/es

library/myspell/dictionary/fr

library/myspell/dictionary/it

library/myspell/dictionary/pt_br

library/python-2/coherence-26

mail/thunderbird

mail/thunderbird/plugin/thunderbird-lightning

package/pkg/package-manager

package/pkg/update-manager

print/cups/system-config-printer

print/filter/ghostscript

print/filter/ghostscript/fonts/gnu-gs-fonts-other

print/filter/ghostscript/fonts/gnu-gs-fonts-std

print/filter/gutenprint

print/mp

release/os-welcome

service/gnome/desktop-cache

service/postrun

system/display-manager/desktop-startup

system/display-manager/gdm

system/file-system/ntfsprogs

system/file-system/smb

system/font/truetype/arphic-uming

system/font/truetype/dejavu

system/font/truetype/hanyang-ko-core

system/font/truetype/ipafont

system/font/truetype/liberation

system/font/truetype/lohit

system/font/xorg/iso8859-1

system/font/xorg/xorg-core

system/graphics/fbconfig

system/graphics/fbconfig/fbconfig-ast

system/graphics/fbconfig/fbconfig-efb

system/graphics/fbconfig/fbconfig-mga

system/input-method/ibus

system/input-method/ibus/anthy

system/input-method/ibus/chewing

system/input-method/ibus/hangul

system/input-method/ibus/ibus-m17n

system/input-method/ibus/sayura

system/input-method/ibus/sunpinyin

system/input-method/ibus/xkbc

system/input-method/imf-startup

system/io/audio

system/keyboard/kbd_mode

system/locale/support

system/management/visual-panels-core

system/management/visual-panels/panel-apache

system/management/visual-panels/panel-coreadm

system/management/visual-panels/panel-firewall

system/management/visual-panels/panel-smf

system/management/visual-panels/panel-sysmon

system/management/visual-panels/panel-time

system/management/visual-panels/panel-usermgr

system/management/visual-panels/panel-zconsole

system/network/avahi

system/storage/parted

terminal/fbconsole

terminal/gnome-terminal

terminal/xterm

web/browser/firefox

web/browser/firefox/plugin/firefox-java

web/browser/w3m

web/data/firefox-bookmarks

x11/colormap-utilities

x11/data/workspace-patterns

x11/data/xbitmaps

x11/data/xcursor-themes

x11/demo

x11/demo/mesa-demos

x11/diagnostic/x11-info-clients

x11/diagnostic/xev

x11/diagnostic/xscope

x11/documentation/xorg-docs

x11/font-utilities

x11/keyboard/data-xkb

x11/keyboard/xkb-utilities

x11/keyboard/xkbcomp

x11/server/xephyr

x11/server/xorg

x11/server/xorg/driver/xorg-input-acecad

x11/server/xorg/driver/xorg-input-hotkey

x11/server/xorg/driver/xorg-input-keyboard

x11/server/xorg/driver/xorg-input-mouse

x11/server/xorg/driver/xorg-input-synaptics

x11/server/xorg/driver/xorg-input-vmmouse

x11/server/xorg/driver/xorg-input-void

x11/server/xorg/driver/xorg-video

x11/server/xvnc

x11/session/sessreg

x11/session/smproxy

x11/session/winsysck

x11/session/xauth

x11/session/xinit

x11/x11-server-utilities

x11/x11-window-dump

x11/xcalc

x11/xclipboard

x11/xfd

x11/xfontsel

x11/xfs

x11/xfs/xfs-utilities

x11/xkill

x11/xlock

x11/xmag

x11/xvidtune