Truly light notebooks have almost always been sacrifices that either shed the optical drive or use low-power processors that could take them out of the running as desktop replacements. Sony's current VAIO S tosses both ideas aside: at 3.6 pounds, it's nearly a full pound lighter than a 13-inch MacBook Pro yet still has an optical drive, a 2.3GHz Core i5, and even dedicated graphics. But does that necessarily mean it's worth the expense? Our early 2011 VAIO S review finds out.
