I use Swiftech, and I must say that I'm pleased. I bought a full AMD 64 system and then purchased a second radiator and a video card waterblock seperatly for my desire. It's great, just make sure you get on of the fastest pumps and put it on its own molex cable because the pumps pull a LOT OF POWER. Make sure you have a good PSU such as a Antec TruePower because you need all the juice you can get.