Re: How would you rate...
Yeah, that should be a good PSU for you.
As for the fans, according to the specs there is one 80mm fan slot, but it doesn't come with a fan. So the fan you picked out should be perfect.
C2D E6600 | 4GB DDR2-800 | 9800GTX+ | Asus P5B-E | 150GB Raptor | 320GB 7200.10 | 750W Xigmatek PSU