Kepler is gonna be a long long wait from what I've seen. How much ppd do u get from ur 470s put together? Because if u can sell them for a good price, u may be able to get a 5xx card/s that will match that ppd without all that heat. I'm gonna go see how much they are worth (in Canada at least)
I'm sure I could sell them for $125-$150 each. Probably to friends. They are good together for about 24k-30k PPD at stock. I'm also concerned about gaming though. Two 470s are faster than a 580 right? I probably wouldn't even notice a difference to be honest, I only game at 1680x1050, but everything maxed is a must with AA and AF.