Nice! Man EVGa EE is a loud card.
I've seen this posted alot, i think it would be worth it to get the hot air out of the case though. As i just found out after going SLI 460's having them both dump air into the case is bad. And having one card sandwiched between 2 other cards with no space in between is also bad.
Poor mobo layout and not having a EATX case for the loss.
Both of my cards will do 900mhz but with them together in SLI i have to limit them to 800mhz and the top card hits 80c and sounds like a jet engine(doesnt help my case is open, so no sound dampening at all). Bottom card stays at a cool 60-65c and quiet. Top card hits 100% fan speed at above 70c, bottom card never goes above 50% fan speed and can hardly be noticed.