I see a lot of posts here where people say how they always watch 4:3 material in "stretch mode" on their 16:9 TV, simply because they don't like the sight of the bright grey bars. This leads me to wonder, has no one made a pair of vertical mattes for their 16:9 TV, and if so, why not? Can this somehow harm the TV? I realize that might be a stupid question, but unless anyone can think of a reason not to, I'm thinking about making a pair of vertical mattes so I can view half hour television shows in their OAR without the distraction of the grey bars. I would think half hour wouldn't be nearly enough time for the grey bars to cause burn in. Any thoughts on if I should or should not do this?