hmm that sounds like a good idea.
i was thinking something similar, except w/ a pci mounted fan thingie. i was at frys a few days ago and saw one. they mount in your pci slot, and exhaust hot air out the back. i was thinking of putting one next to the card.
but this'd work just as well i think. and then take off some pci covers on teh back to let it vent maybe????
problem is, i used my last spare fan (that i know of) for my pong clock.
so its back into the dark closet of RIP computers to go fan hunting!