I found it ironic that the day after I was complaining about how I wanted a heatsink that was silent yet could handle the healthy 800Mhz overclock on our Athlon 1700+ office computer that the Silent Boost arrived. Not only is it darn close to being silent it also allows for some pretty heavy overclocking. This was a major factor to us as we didn't want to loose any system performance by going to a quieter heatsink and fan...