AT&T just packed a one-two punch of holiday tablet news, announcing that it's going to serve as the exclusive US carrier for both ASUS's VivoTab RT and Samsung ATIV Smart PC, both of which were originally unveiled this summer. The ASUS offers up a quad-core processor, LTE and a 10.1-inch IPS display in a thin and light form factor. The somewhat beefy Samsung, on the other hand, has an 11.6 inch HD PLS display, 1.5GHZ processor and 64GB of storage. Not much on specifics on availability at this point, beyond the fact that both will be hittin
