NEC's 13.3-inch LaVie Z Ultrabook weighs just 2.2 pounds, brings lithium-magnesium into your life

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Just in case you thought NEC was done with its PC updates this week, the Japanese PC builder has thrown its hat into the Ultrabook ring with a unique contribution of its own. The LaVie Z has a 13.3-inch screen like your garden variety ultralight, but it weighs just 2.2 pounds through a new lithium-magnesium alloy shell about half the weight of the aluminum that some companies love to use. Unfortunately, that weight and the slim frame are about all we know so far: NEC isn't providing any internal specifications, possibly because it's waiting on Ultrabook-ready Ivy Bridge chips. Even so, if you're hanging around Japan and want the lightest possible laptop you can get at a 13-inch screen size, the wait until the planned summer release will feel like an eternity.