2.***** - 3.4Ghz Overclocked (Stable) is better that trying to do 3.6/3.8/4.0Ghz... The performance is going to go a bit, but in the long run it could spell trouble... 2.93Ghz - 3.8Ghz Overclocked (Stable)... Get a 3.0Ghz/3.2Ghz Core i7 Then crank that baby up to 4.0Ghz - 4.8Ghz (Overclocked) 2.***** - 4.8Ghz Overclocked with Liquid Nitrogen