The Lenovo IdeaPad U110 is imperceptibly smaller than one of our favorite 11.1-inch ultraportables, the Sony VAIO TZ150. It gives up 2 inches in screen size to the 13.3-inch MacBook Air, but the U110 weighs a full pound less (when using its four-cell battery). Toshiba's Portege R500, on the other hand, weighs less--just 1.7 pounds--and gives you an extra inch with its 12-inch screen. Aside from its diminutive size and stunning design, the IdeaPad U110 is remarkable in its sturdy construction, thanks to an aluminum cover and magnesium-aluminum case...
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