Perhaps its too early to say about Wicket web Framework but one thing is sure that Wicket contributes towards J2EE community.

Wicket is new Object Oriented web Framework, provides seperation of Presentation layer with Busniess layer. Wicket basically wrap the HTML Tags and provides full control in your Java Code.

The nice thing about Wicket is, there is no rocket science in it and provides the platform for Rapid Application Development.

In short;

Your Application = WICKET HTML TAGS + Pure Java Code (No XML Files, etc)

For starting point, have a look at

http://www.netbeans.org/kb/55/quickstart-wicket-in-netbeans.html