If you’re looking to purchase a new computer I have an acquaintance that recently connected up with a group that purchased 130 Mac G5s from a local college. Here are the details:

G5
1.8 dual processor
1 Gig of Ram
Very good condition
w/17″ Apple studio Monitor
New 160 Gig Hard drive
Superdrive
90 day warrantee
$950 However, negotiable
Extra Gig of Ram $190

If you are interested email me.