Adrian's Rojak Pot has posted a review on 1COOLPC's Video-1-120 graphics card cooler
If you want a cooler that's very simple to install but yet powerful enough to push over 125 CFM of air directly over your turbocharged (read : overclocked!) graphics card, you will want to check the 1COOLPC Video-1-120 cooler out.Read more
It doesn't required any modification of the graphics card so you don't have to worry about voiding your warranty. And best of all, the other components in your computer case benefit from all the air blown in by this cooler.