I'm seeing significant picture pixelation, over saturation of bright colors (oranges, reds), sound drop outs, and video freezes when I'm watching the Olympics on NBC. I'm also seeing white outlining around the edges of objects, which looks very odd. The problems are especially bad when they're showing snow events at night. I don't see the problems on any other programs I'm recording from other channels. Is this a problem with NBC's signal, DirecTV's transmission, or my DTivo hard drive starting to go bad? The drop outs and freezes point to the hard disk, but all the pixelation, color saturation, and outlining point to NBC or DirecTV signal problems. Is anyone else seeing similar problems? Any guesses as to what's wrong?