Sony VAIO Pro 11/13 Ultrabook
the new Sony VAIO Pro 11/13 Ultrabook may not be the thinnest, but they are sure the lightest in the market. sporting a uni-direction carbon fiber construction, the touch-enabled VAIO Pro 11 and touch-enabled VAIO Pro 13 tipped the scale at just 0.870 kg (1.92 pounds) and 1.060 kg (2.34 pounds), respectively (btw, they are lighter than the