Your also only using a single 8800GT. And your machine has to be taking more than 350w because tis better than mine and mine takes about 425 being 100% utilized. (Which is like, all the time almost)
And we where talking about how they boast SLI/Xfire setups when the top wattage they have is 700watt. I dont think it would handle an OCed quad, OCed 9800GX2, 4gig of ram, and a few HDs in RAID all that well.