I was over at a friend's house the other night and noticed that his Mits 55" seemed noticeably bigger than my Panny 53". When I got home, I did a quick measurement of my TV and found that my viewable screen size is approximately 51". I didn't have a tape measure and could only estimate the size. Can someone with the same set (53WX53) please confirm for me or let me know if I'm on crack? Also, is it standard practice across all brands to give screen size including an unviewable portion of the screen, or would a 51" Sony or 55" Mits actually have a viewable screen size as listed? This makes me think that I didn't get as good a deal as I thought because I should have been cross shopping the 53" Panny against other brands' 51" sets, or used the 56" Panny as a basis to measure against other 53"-55" sets. Any help would be greatly appreciated. Thanks.