Just to clarify, you don't really require a top-of-the-line cooler for a 2600(X). You should be able to hit around 4.1 to 4.2 GHz with any decent air cooler, and even with a premium water cooler you'd only see a modest boost of 100-200 MHz.
Just to clarify, you don't really require a top-of-the-line cooler for a 2600(X). You should be able to hit around 4.1 to 4.2 GHz with any decent air cooler, and even with a premium water cooler you'd only see a modest boost of 100-200 MHz.