PCWorld.com - Apple Ships Power Mac G5 We want one of these to do model checking in 64 bits. Then we could address a hash table of more than 4 GB.

Apple-Power Mac G5 it starts at $1999. But how much is it with 16 GB of memory?quote (may not work) Looks like its about $8000 for one with 8 GB of memory and you can't get more than 8 GB.