Why dont you go with the Scythe Infinity - it's the newer model. I was thinking about that one. They are available.
DO NOT buy the Infinity. It's heavy and it broke my retention bracket. The way it hooks onto the motherboard is terrible. All you do is attach two hooks to the side of the heatsink and then attach it to the motherboard. The tabs on the AM2 retention bracket aren't strong enough to hold up the weight of the massive thing. Just a heads up.