Intel today unveiled its second wave of 32nm notebook processors today with a refresh of its Core i5 and Core i7 lines. Full-speed, dual-core processors have been upgraded across the board; the Core i7 640M upgrades to 2.8GHz (from 2.66GHz) for $349 in bulk; the Core i5 580M moves the top i5 chip to 2.66GHz (from 2.53GHz) for $266, and the slightly detuned but same-speed Core i5 560M costs $225.