Hi
I just changed my stock graphics card cooler on the Leadtek 6800GT. For one year I have had the Arctic cooler Silencer 5 in my wardrobe...

Finally I used it and what a difference! Now my puter is so silent that the almost the only thing heard is a slight hum and the hdd doing some occasional sound. Avoid tinnitus and get that stock cooler out!

And don't wait a year. I'm very happy now.
Cheers Porphy