Motherboard question?!?!???

Be smart. Buy the new P45 instead.

Compatibility with the new 45nm, some performance increases (PCI-E2.0) If you are building new, go with 750 (assuming you need SLI). It isn't worth an upgrade though from the 650 (unless you need the 45nm compatibility)

thanks.....(once again)....i'll be using a quad 9300 which is 45nm....