Using Sanyo PLV-Z5 front projection LCD with Carada 96" 16:9, 1.4 gain screen. Installed in January, 2007, and now have over 2100 hrs on 2nd lamp. Am starting to see some LCD "burn-in" (image retention) in the pillars from watching 4:3 material. Talked to Sanyo, and they will express me a...