An excellent Video Card Cooler can be found at 1CoolPC. It simply mounts on to an expansion slot and blows air onto your video card and any other cards you may have in your computer.
Prices vary by the fan size. Check them out here:
http://www.1coolpc.com/video.htm
Currency Conversions can be done here:
http://www.xe.com/ucc
This sounds like a great idea and I am thinking of getting the 92mm one for my secondary computer.