This thing is a beauty and I think a steal at $600. My xbox 360 looks amazing on it, and absolutely no problems with it in 720p. But when I try to use my HD box through comcast(which is hooked up by components by the way) it says the input from the box is 480i, so it displays it in 4:3 and stretches the image accordingly. I tried looking through menuys on the TV and the box both with no luck. Any idea what the problem could be?