Memory Needed?

[samsc]

the os drive has no effect on performance.

as long as you dont put any movies on it. it wont affect anything at all.

[samsc]

someone did a review of the g5 jam.

i may have to get one.

http://www.barefeats.com/hard36.html

there was a rumour that the next mac revision might have more internal drive bays -- but they havent turned up yet.
and one should never rely on rumours - especially apple ones.