This live event will be hosted by Adam Messinger (Oracle) in Redwood Shores, Bruno Souza (SOUJava) in São Paulo and Ben Evans (LJC) in London. You can register for the webcast or for the in-person events from this page. The twitter hashtag for this launch is
You can also listen to the latest episode of the Java Spotlight Podcast (#37) featuring an interview with Michelle Kovac on this Java 7 Launch where she mentions Accenture, Travelex, Riot Games, HP and others as heavy Java users and participants to the live events.
The final Java 7 bits should be available on July 28th as planned.