Intel's back in its familiar saddle today with the unveiling of a pair of new CPUs, marking the start of a new K-series that will cater to the overclocker inside all of us. The Core i7-875K is a 2.93GHz quad-core unit, which can scale heights of 3.6GHz via Turbo Boost, or even higher if you have the patience, tenacity and appropriate cooling to make it happen. Review action for this chip shows it to be Intel's premier offering short of the enthusiastically overpriced and overpowered Core i7-980X. Even more affordable will be the Clarkdale-based Core i5-655K, which t