Motorola's Xoom will cost a tad more than the competition, but company co-CEO Sanjay Jha has an explanation for why that might be: he told reporters that the Android Honeycomb tablet's price is wholly justified by the promise of speedy 4G internet. Of course, the $800 Xoom doesn't actually come with 4G connectivity out of the gate, but Jha told reporters that the Xoom's LTE upgrade will be free, and that wonder of wonders, the tablet will be capable of pulling down 50 megabit per second speeds. Someone might want to