We've updated the New & Noteworthy section to include the new 4.0M3 features we're doing final QA on right now.
You can have a look at it here:
http://www.myeclipseide.com/ContentExpress-display-ceid-66.html

for those particularly interested in the WYSIWYG JSP/Struts/JSF designer, the direct link is here:
http://www.myeclipseide.com/ContentExpress-display-ceid-66.html#wd2