I have a BFG Tech nvidia 7950 512 mb Video Card and I just bought a New VGA fan. http://www.newegg.com/product/product.asp?item=N82E16835887008 I want to know if it is compatible with my card, it says 7900 series compatible, but I just want to make sure. And once that is done, I would like to over clock it. I have read some people using ATI Tool, but I am not very familiar with overclocking. I want to know how to test it, how much to overclock, and anything else you would like to suggest. I also have some artic silver 5 to use if needed. Thank you for your help.