How-To Geek on MSN

Stop setting every top fan to exhaust: It might be choking your CPU

5 fan setup mistakes that are killing your PC's cooling ...
Ars Technica

How would you tune these fans?

I would put the fans in PWM mode in the bios, linked to the CPU temp. Then adjust curves as you see fit. For example, my case fans are something along the lines of CPU=<40c Fans=20% CPU=55c Fans=35% ...