Noctua NF-N12 PWM 120mm fan Review @ XtremeComputing
 

Fans may not be the most exciting component in your new PC, however they do make a lot of difference in terms of performance, noise and enjoyability – it’s hard to enjoy a film (or game) if all you can hear is the whirling of wind turbines, when the film (or game) in question has nothing to do with planes

http://www.xtremecomputing.co.uk/art...0mm_fan,1.html