You're not using a stock cooler on your CPU, are you? Oh the humanity! The humiliation! The...actually, there's nothing wrong with using a stock cooler, so don't sweat it -- go one with your bad self. However, if you want to kick things up a couple notches and experiment with overclocking (or just have cooler temps), then you'll need more than what a stock setup can provide. Intrigued by liquid? Then check out today's top deal for a Corsair Hydro Series H110 Extreme Performance Water/Liquid CPU Cooler for $105 with free shipping (normally $115 - use coupon code: [0415WBTR103]. It has "Extreme" in the name, which automatically makes things run cooler! On a more serious note, Corsair's cooler packs a 280mm radiator with dual fans.