seriously, why is everyone here acting so weird about cooling?
I have exactly 3 fans in my whole computer, 1 is on the vid card, one is the cpu fan, and one is in the psu. Yet I have never ever had any problems with overheating and the temp inside my case is something like 30-35 C.
2 fans is all u need, one to the front (takes the air in) and one to the back (blows the air out) and then u should have a good airflow, of course it's better to get 120mm fans since they usually produce less noise (because they can spin slower and still move the same amount of air)