A few months ago, my Dad's Vizio started getting pixelated. Then, the tell-tale horizontal lines on the screen. Then, it developed vertical lines. Then, the picture just vanished (but the sound works fine, not that it matters) showing a grey screen. The TV hasn't been dropped or damaged...

so there are new models coming out from vizio and everyone is talking about the VF551XVT, but what about the other models. As a person who hasn't bought an hdtv and cannot afford the "big guns", i took the liberty in e-mailing vizio on when these two new tv's would be arriving. response...