This is some beastly passive cooling for your graphics card right here. Swiss PC cooling specialists "Arctic Cooling" have just released their Accelero S2, a massive heatsink with dual heatpipes designed to keep everything nice and cool without the need for a fan.
Grab the PDF formatted press release here for full details on it.
Pfäffikon / Switzerland, 23.2.2007. The Swiss cooling solution provider - ARCTIC COOLING introduces a radically new passive cooling solution for main stream graphic cards. Without moving parts inside, Accelero S2 effectively helps the graphic card to remove heat and silently keeps the components cool. Thanks to the elegant design, Accelero S2 can even outperform other active cooling solutions, bringing a true industrial leading zero noise solution for demanding users.