Why do we overclock? It's really a very simple question, but one that has found new meaning over the years. It used to be that computer hardware enthusiasts had very few options when it came to choosing a processor, and building your own custom system was simply not possible. This was back in the day when computers featured a 'Turbo' button, overclocking from 33 to 66MHz was a click away. Back then, overclocking the CPU could push clock speeds past any production level. Today the market is different, and overclocking the processor could result in very little additional performance. With so many dual-, quad-, and hexa-core processors now sold on the open market, overclocking has transformed itself from a tool to help people work faster, into a hobby for enthusiasts. Enthusiast overclockers demand only the best performance from their computer hardware, which is why the aftermarket heatsink industry is thriving with fierce competition. Benchmark Re! views tests the latest Intel LGA1366 heatsinks in this Best CPU Cooler Performance Q2-2010 article.