NetBeans 6.0 Milestone 8 Available with New Features:
http://www.netbeans.info/downloads/dev.php
You can find NetBeans 6.0 Milestones Calendar here:
http://wiki.netbeans.org/wiki/view/NB6Milestones
Following link contains information about planning and design of Java EE features in NetBeans 6.0.
http://wiki.netbeans.org/wiki/view/JavaEEPlanning#section-JavaEEPlanning-NetBeans6.0