I picked up the ThermalTake Volcano 7+. It got great reviews and you can adjust the fan to three settings Low, Medium, and High. It's a solid copper heatsink with 36 tiny fins on each side giving a total of 72 fins. It was even rated being a good OC'ing HSF.
:tongue: <font color=red>When overclocking always be sure to wear clean underwear!</font color=red>' :tongue: