So, if you liked it before, you'll like it now. If you didn't, you still won't. The update replaces the older one, hence you will only be able to use the plugin in NetBeans IDE 6.0 RC 2 and nowhere else. (At least, it might work elsewhere but I will not help you out if you install it somewhere else and then encounter some problem or other). It's pretty cool that the current download number for that plugin is 661. Probably about 20 of those are me, but not much more than that. So, I hope those who downloaded it weren't too disappointed by its modest functionality (though, you shouldn't have been had you read the description on the plugin's page). Others have written to say they like it. Well, whatever works works.
All the functionality in this releaselet is identical to what it was before, with small templates, some basic syntax coloring and code completion, and "run script" support, as shown here:
Go here to get it:
Interestingly, I've talked to lots of people internally in NetBeans and Sun recently about Groovy, even more so than before. Watch this space for some interesting announcements coming up in the next months (or maybe even sooner).
In other news. Have a look at Wouter van Reeven's article Combining Hibernate and Facelets with Maven, NetBeans, and GlassFish.