The Xigmatek Gaia is only $20 right now: http://www.newegg.com/Product/Product.aspx?Item=N82E16835233082
and cools within 1C of the Crappermaster per Frostytech reviews. It is also quieter. I have two of them, and it keeps my overclocked AMD 970BE nice and cool; I haven't checked in a while but I think I hit 42C during some games (idle at 29C-32C depending on season). Why spend more?