Weighing only 3.2 pounds, Panasonic’s newest ‘Toughbook C1′ is touted as the world’s lightest convertible tablet PC on the market today. This tablet PC boasts a 12.1-inch 1280 x 800 LED-backlight display, an Intel Core i5-520M vPro 2.4GHz processor, up to 6GB DDR3 RAM, a 250GB shock-mounted flex-connect hard drive, a webcam, a spill-resistant keyboard, a fingerprint reader, a SmartCard reader, WiFi, Bluetooth, an optional Gobi2000 mobile broadband, a 10-hour battery and Windows 7 OS.