Installed the new Sony plasma screen PFM42B2 (just came out) for a customer. It is connected to a Dell desktop with a top of the line ATI 128mb video card. At all resolutions - experiencing slight flickering or oscillations in picture (enough to be unacceptable)- only when displaying the computer. Tried all display options - resolutions, refresh rates, etc.. Tried all possible troubleshooting including ground loop, AC sources, replacement cables, etc.. Saw in the manual later, a menu item in the Sony called Pixel Adjustment. It is not written very clearly but indicates that you can change the dot phase. Would this possibly stabilize the picture? I ran out of time but will be returning to the customer next week - would appreciate any suggestions or info. PS - Sony does have a factory reset so if things get changed you can undo your mess.