your gonna spend another 500bucks so you can max out metro 2033? if so go with another GTX 580, it should be able to max it out...But if you need a bigger pwr supply that's another $100-$150 a total of $650 plus tax..But that's probably the only game i can think of that you need that much to run a game...Even the new Crysis 2 isnt as demanding now as it was before...honestly i don't know if i'd spend another 500 just so i can max out metro 2033...it's not even that good of a game..it looks nice but that's about it...
I really do like it, but I was just looking for a round estimate for my gain with a second 580 (I realize I can run everything at max everywhere else)
And of course Crysis 2 is easier to run, I would sure hope they figured out how to make a better game after the first one...
What case, your temps will go up on everything
Hades NZXT, mid sized thus an increase of heat for sure.