Well, that depends on what you want out of it. Silence, overclocking, or good cooling? How much do you want to spend? Is this just the fan or the entire CPU heatsink with a fan?
http://www.newegg.com/OldVersion/app/ViewProductDesc.asp?description=35-108-062&depa=0 That Swiftech will be fairly heavy and you'll need to purchase a fan with it, but based on previous products, that should be a pretty good cooler. I deleted your other thread. There's no reason to have two of the same.