I went searching on the Struts User List this afternoon and found a couple treats. The first is that you can make $135 for each Struts bug you fix. The second is StrutsCX (Struts with Castor XML and XSLT - but without JSP.). Sounds cool, downloading now.
Update: I installed StrutsCX on this server so you can try it out. Pretty cool stuff. I wonder how difficult it would be to switch from Castor XML to Castor JDO, and then generate the whole thing using XDoclet. BTW, did you know you can install WAR files in Tomcat by 1) ftp-ing the file to your server, and 2) using a url in your browser? Pretty cool - here's the one I used to install simpleweb today: