Octools has just posted their review of Thermaltake's GeForce 4 "Highest Performance" Copper Cooler.

Thermaltake has been creating a lot of new cooling stuff for almost every known hardware in your pc.  With the release of the GeForce 4, everyone expected them to come up with an after market cooling solution to maximise the efficiency and stability of the graphics chip, overclocked or not. So for the end user wanting more out of their cards, they came up with the GF4 Copper Cooler.