Originally Posted by Black Flag
hahaha! No problems at all and Physx is now history! Yeah but 7970 can be overclocked to 1100 MHz without adjusting the voltage. Clock to clock 7970 is equal with 680 and 100 USD cheaper...
If you find availability for nvidia's go and grab them... :P
the local hardware store in my city got some GTX 670 and 680 in stock so it's not a problem
i even bought my KFA2 there.