Remember that elusive Atom N570 that popped up here and there in machines debuting last month? At long last, the spec wizards over at Intel's headquarters have seen fit to divulge a few more details surrounding the new silicon, and it goes a little like this: the chip runs at 1.66GHz, supports four threads and touts 1MB of L2 cache, an 8.5W TDP and DDR3-667. It'll also start shipping this month, and should emerge soon on low-power machines from ASUS, Lenovo and