http://www.youtube.com/watch?v=DQxw9Sx1-Uk
Lot's of people are happy with the H50s, saw lots of reviews where the H50 beats the TRUE 120, for example, and the TRUE 120 it's one of the best , high end aircooling system.
Plus the video should be enough. =)
I got the H50 and VERY happy with it!