tri xfire 3870 - i trust their architecture more and think that with contined driver updates it could be a LOT more competitive once the true DX10 games come out
Tri 3870, even if we don't know yet how much better it will be. But, I can almost assure you (99.9% sure...) that the 3 3870's will beat a single 9800gx2, no problem.
If I had $600, though, I wouldn't buy either...lol. That would be enough for me to do another full system upgrade (I mean everything... CPU, Ram, Mobo, video card, case, PSU, etc...)
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