9800GTX+ (8800GTS 512, 9800GTX, GTS 250) = Better cooling, silent, PhysX support, requires 2 x 6pin, 10.6" length
4850 = Slight edge when AA turned on, cards get way too hot / loudy if reference cooler.
@ LOAD 4850 power draw is on par with GTX+, but 4850 is more balanced at idle.
It goes...