Just under two months after being officially unveiled, US Cellular's first LTE device is now shipping. Perhaps unsurprisingly, it's a tablet taking the first journey out on the carrier's 4G superhighway, with Samsung's Galaxy Tab 10.1 on sale today online and in stores for well, entirely too much. Despite being nearly a year old, USCC's Tab 10.1 will sell for a staggering $499.99 after a $100 mail-in rebate, though customers residing in one of its LTE markets will be able to grab it for a Benjamin less. Oh, and did