Samsung's ATIV Smart PC has been giving Americans a blend of LTE data and Windows 8 for some time, but we're sure that some would like a little more oomph. The company agrees -- it just released a version of the ATIV Smart PC Pro equipped with AT&T-capable LTE. If you've got a not-insubstantial $1,600 to commit to a tablet, you can stay online beyond WiFi while wielding a laptop-grade 1.7GHz Core i5, 4GB of RAM, a 128
