Quote Originally Posted by Frederik Mundey View Post
snip
that 4870x2 is indeed a beast of a card. quite a bit quicker than the 460.problem is it runs dx10 only, sucks power and runs HOT!

http://www.anandtech.com/bench/Product/174?vs=180

550W more than enough if you going the 460 route, but I reckon that 4870x2 will need something bigger. not sure though, not really my area of expertise.