It may look hard, but Panasonic's Toughbook didn't really have the weight to throw behind those punches. That's why the company is upgrading the CF-C2 with a multi-carrier LTE modem, Windows 8.1 support and a Haswell Core i5. The wireless gear will let you switch carrier (via software) depending on which offers the best signal, while the upgraded internals have helped push the battery life to a staggering 14 hours. It'll go on sale at some point this month, with prices star