I've seen that heatsink pop up on a few different websites. Never really looked into the performance reviews of it though.
One heatsink that straight up rocks is the Swiftech 159-CU. The Thermalright and Noctua sinks perform better but take up a LOT more room... that and i've always had a thing for pure copper. http://www.jab-tech.com/Swiftech-159-CU-Chipset-heatsink-for-AMD-and-Intel-motherboards-pr-3072.html