Remember NEC's LaVie Z Ultrabook we first heard about at Computex? It's a super light (875g / 1.93 lbs) and thin (15mm / 0.59-inch) magnesium alloy system running Windows 7 that's only available in Japan and we just spotted it here at IDF 2012 in San Francisco. Spec-wise you're looking at a 1.9GHz third-generation (Ivy Bridge) Core i7 CPU, 4GB RAM, 128GB SSD with i
