I took my amd 64 cpu heatsink and fan drilled holes fru it , took of my 6600 gt heatsing of and skrew the huge new amd heatsink on to it !! Then I got an incredible overclock . Only running 59 celcius at 582/1140 on extreme load . On idle it's 34 celcius . This is amazing since the default is 500 and 900 on my elsaa 6600 gt . OC RUles !! NOw I get 63000 on Aquamark with 8900 for the card and and 11000 for my cpu 3500 + clocked to 3800 + . With my ram scoring 6600 mb/s bandwith in sisoftsandra . lol