Eclipse 3.1RC2 now available here: Download Link.
Here, a post from http://nice3z.homeip.net/node/30.
I’m waiting, anyway, for the Final Release (final June as 3.1) of Web Tools: the only right way to “stop” NetBeans.
The Sun Tool, for now, have the best (and Open Source):
WEB Tool Developing System
GUI Designer (and attend for a new and powerfull piece of Code named http://www.netbeans.org/community/news/index.html#642)
WebService Tool Developing System
[posted with ecto]