Here is the low down. Core i5, Core i7 and Xenon i7. The current generation fastest processor i7 965 is going to be replaced by i7 975 which will be clocked at 3.33 GHz. Core i5 is developed for the mainstream market. Integrated graphics will be a noteworthy point of this series. And such an accomplishment is unique and the first for Intel. These processors should be available by October-November 2009. Checkout Socket H2 (LGA1155) Option Kit website for more information pertaining to these!!