Some of Lenovo's pro customers can be very fussy: hospitals and schools want multiple computers in a small area, but without skimping on the usual features they'd expect from desktops. If any PC could resolve those contradictory demands, it might be the company's new ThinkCentre Edge 62z. The extra-angular design purportedly fits a 18.5-inch all-in-one into a third of the space of a 20-inch display, all while carrying up to a Core i3 processor and a DVD burner. Whether or not you see the 62z as a feat of engineering, the design has some room to grow with