Have any of you with LCDs experienced uneven backlighting with black or dark scenes? This manisfested itself with corners that were lighter than the rest of the screen. Really noticable in dark scenes. I have gone through 2 Sony 32" LCD Wegas with the same problem. The strange thing is that they were perfect for the first few days. After taking back the second one, I also noticed it on the store's display model. I have now exchanged the second one for a plasma but im curious if others have noticed the same thing on theirs because I really liked the look and picture quality of the Sony.