Hi All, When watching HDTV 16:9 on my plasma TV during some/most commercials there are the infamous BLACK BARS that appear. I know that the black bars can burn in if left on too long. Now my question is: When watching LetterBox movies are the top and bottom bars prone to burn in as well. I never watched a 2/2.5 hour movie to find out. The reason I ask is because the vertical black bars from TV are a pure black with now movment. The horizontal movie bars are not forced black but rather an actual fuzzy black that sparkels a little bit. Does anyone have a plasma TV that he or she watches letterbox movies straight through with out freaking out about burn in?