> Hardware-wise I'd say dual core opterons. One dual-core-opteron
> performs better than two single-core at the same speed. Tyan makes
> some boards that have four sockets, thereby giving you 8 cpu's (if you
> need that many). Sun and HP also makes nice hardware although the Tyan
> board is more competetive priced.
just FYI: tyan makes a 8 socket motherboard (up to 16 cores!):
http://www.swt.com/vx50.html
It can be loaded with up to 128 gb memory if all the sockets are filled
:).
Merlin