If your going to use an ATI fireGL there's little purpose to use a $300 motherboard rather than the A8V-E Deluxe for $150. The only difference is that the A8V-E Deluxe doesn't support Sli, a feature you can't use with Ati cards, and the A8N-Sli deluxe does.
PCI express amd mobos will begin to appear first quarter of next year..
I have seen a gigabyte on newegg, still most of other brands havent showed anything yet.
__________________
someone is more skilled than you!