Do I buy another 470
or
Do I sell my 470 & get 2 460s?

I want the best bang for buck, not sure if it'd be cheaper to sell then buy the 2 or just buy a new 470. Also I think heat maybe a prob with the 470s in SLI but not sure...
or
Do I sell my 470 & get 2 460s?

I want the best bang for buck, not sure if it'd be cheaper to sell then buy the 2 or just buy a new 470. Also I think heat maybe a prob with the 470s in SLI but not sure...