i've never really had checked out anything about java on the 800w but, i know there's a post i seen about obtaining java. you might want to try here:
1.
http://forum.ppcgeeks.com/showthread.php?t=32110
or
2.
http://www.otainstall.com
with the password: (blahblah)
tell me if you find anything,
Laters