Lightest convertible tablet PC

Weighing only 3.2 pounds, the Toughbook C1 is the lightest 12.1-inch convertible tablet PC and the first convertible to employ a unique triple-hinge design. The device supports multi-touch and digitizers, offering the input of a finger, gesture or an electronic stylus pen for handwriting recognition and greater precision. The unit features up to 10 hours of battery life with its twin hot-swappable battery design; a shock-mounted, flex-connect, 250-GB, quick-release hard drive; spill-resistant keyboard; and a lid and base designed to withstand more than 225 pounds.

Panasonic