Bamboo

Really good deal. I don't have time to search for benchmarks right now, but if other folks have time please do. But wow, $10.
It looks like this would require you to put a backplate on the back of the motherboard, so might not be an easy option for some.

ASUS Arctic Square CPU Cooler $10 after $20 MIR

Direct link for those that can't click through:
ASUS Arctic Square Aluminum Intel/AMD CPU Cooler Retail


Newegg has it for $24 after rebate, and good ratings:
http://www.newegg.com/Product/Produc...rctic%20Square

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