i have no preference
currently have a evga
previous card was xfx
new card just orderd xfx - and tha's cause i literally flipped a coin
i didn't do the step up for evga, and my RMA kinda took a while, though it was because of the fricken 7900series screw up. ugh.
and the replacement can't even do what the original did in terms of OC
however, i didn't realize there was a 2 lifetime on the xfx....wonder if i should sell my 6600GT