Intel just got finished telling us how great its Atom Z5xx series of chips were, in flavors ranging from 1.1 to 1.86GHz, and how they only needed a miserly 2.2 watts or less of power. They weren't good enough, apparently, as there are two new members now joining the ranks. First is the Z550, featuring a clock speed of 2.0GHz while still using less than 2.4 watts. Also new is the more frugal Z515, with a dynamic clock speed ranging between 800MHz and 1.33GHz to suit you whether you're playing Solitare or watching Survivor re-runs. These chips too seem desti
