I have this radaitor { in red } and it is great. Was runing a CPU Waterblock & a Opteron 165 @ 2.9Ghz. Fully loaded it was 42c. Now I have added a GPU Waterblock , Danger Den - Universal Chipset Block. Well see how she does now.
Also I'm runing 2 Yate Loon Medium Speed D12SM-12 fans.