The Enermax cooler is out of stock at Newegg.
This Zalman is $20, with a $5 MIR (if you play that game and win):
http://www.newegg.com/Product/Product.aspx?Item=N82E16835118128
Arctic has Intel and AMD versions of the Freezer 11 for $24 shipped.
The Hyper TX3 is $25, making CM a bang/buck Loser vs. its competitors, as usual.
...of course, if you are not buying in the US, your prices and availability will undoubtedly vary.