what i think you should do is keep the two side fans that came with the case blowing in air, then get two of these AWESOME fans http://store.yahoo.com/directron/ddfs81u1.html
which blow the air out and have those 2 in the back and then if you still feel like you need more cooling maybe get a vantec stealth 80mm for the front. if you want more infor on the dual storms here http://www.computerforums.org/showth...ght=dual+storm
the only bad thing is if you buy 2, it would take up 2 pci slots but i think its worth it. on full power, which is pretty loud, it took my cpu tem from 57 to 48, even though its on the case. so two of them would be awesome.
hope this helps