I'm not really sure how to describe this. My Panasonic PT-56WXF95 has been showing streaks of horizontal light across the screen. There is no rhyme or reason, it happens in light and dark scenes. Just today I was watching Boogie Nights and on several occasions streaks of light would come off of the actor's faces and continue to the edge of the screen. On other DVDs there will be streaks of light running the entire width of the screen. These only last for a few seconds but I'm finding it really annoying the more I notice it. I've calibrated my set with Avia and there are never any static images on my set so I know its not burn in. In fact, I only use the set 4-6 hours a week (that's 2-3 DVDs a week ). I'm using a Toshiba 5109 progressive scan player connected to the Panny with component cables. I didn't start seeing this until after I cleaned the screen, mirror and the guns about 6 months ago. Any ideas?