(my apologies if this should be in the Master Burn-in Thread; the last post is nearly 5 months ago, and I wasn't sure if anyone is still watching the thread) I bought a Panasonic TH-37PX60U plasma about 2 weeks ago. As soon as I took it out of the box, I did a basic calibration, including lowering the brightness and contrast to less than 50%. Now, however, I'm noticing that bright objects - in particular white text - are leaving shadows on the screen. The shadows form almost immediately, even if the bright object is on screen for less than a minute. The shadows then take anywhere from a few moments to several hours to fade. Does this sound like a red flag to anyone, or is it part of the plasma's normal "breaking in" period? My most gracious thanks for any advice.