First IDE to Deliver Full Support for Java EE 6 and Sun GlassFish Enterprise Server v3; Provides Enhanced PHP, JavaFX and C/C++ Support
http://netbeans.org/downloads/index.html
http://netbeans.org/community/releases/68/
Went to a java meetup last night about GWT. He mentioned a couple of interesting GWT frameworks with a lot of really nice looking widgets.
SmartGWT
http://www.smartclient.com/smartgwt/showcase/
Vaadin
http://vaadin.com/demo
http://demo.vaadin.com/VaadinTunesLayout/
http://demo.vaadin.com/Reservr/
vaadin looks a little more slick.
Django / Rails type development in the Java world. Trying out the tutorial now, might be worth using for some small web apps that need to be done quickly. Scala support is supposed to be coming in Play 1.1.
http://www.playframework.org/10 min screencast explaining the basics
