It's a busy week for Vizio. The budget TV manufacturer flaunted its flashy new tablet in front of our cameras yesterday, and had us hopping across town this afternoon for a chance to go hands-on with its latest entrant into a mysterious brand-new product category (for Vizio, at least). Reps were mum on details, so we had no choice but to return to the CEA LineShows in NYC to see what was up. We walked around the booth, looking for signs of that Vizio Android phone we saw at CES, only to find co-founder Ken Lowe cradling the new goods: a line of