I wouldn't bother with Kaffe, as you can get the sourcecode for Java from Sun for the real thing. I downloaded it lately and - trust me - it's huge.
Nevertheless, I want a port too. Being a software developper I'd have a go, but it's really a team effort.
I'm sure having an up-to-date JVM on AOS4 would open many doors for Amiga.
The Tao VM is fine for handhelds, but it's just not enough for the desktop, so porting of the J2SE would be important.
Have fun,
Santa
