Currently I’m working on Geofest portlet development.
After a short break for my final exam, I still keep on work for step 1 and step 2.
I found that the JSF is a really nice event-driven model framework.
I also have some experience on struts( anothor MVC framework).
Now I want to say I really like JSF.
Especially, JSF tags is quite simple and beautiful to deal with complicated pages
( There are many logic tags in Structs Model).

JavaServer Faces (JSF) vs Struts:
http://websphere.sys-con.com/read/46516.htm?CFID=1353130&CFTOKEN=F61E0DD4-1078-89BA-DAFD15461810F32D