Re: CROSSFIRE definition.
better, in tests its been proven to be better, although that could change with newer drivers from Nvidia but probably not..ati uses the better card to [play and then the second card (doesnt have to be the same) acts as a turbo charger and brings up performance
AMD 3000+ @ 2.25
Corsair Twinx 1024mb 2x512mb XMS
MSI 6600GT's SLIed @ 565/1100
Neo 4 Platinum SLI Mobo