I have a $500 budget for a GPU and was wondering whether I should get the 7950 or the GTX 680. I am not sure which card would run multimonitors better when SLI'd/Crossfired. I know the GTX 680 is a lot faster, but the 3GB of vRAM on the 7950 might help with higher res (5760x1080) gaming. What do you all think?