facts:

-Nvidia overprice BS, but they tamed up recently due to heat by ATI

- ATI drivers suck

- nvidia drivers only rock, because of their gaming market monopolization

- ATI yields better raw card performance than nvidia for the same amount spend

- however said performance may not be achievable in actual game play due to shitty drivers

tldr: nvidia generally less hassle, and lol fanboyism/paying out of your nose, while ATI is better price/performance ratio, but rofl drivers.

both are viable choice, and its almost really up to who have the "best card of that period" or "best performance/value ratio of that period" in which case, at the moment GTX460 is on the upper hand.