What, exactly, is the proper distance to sit from your screen? I have seen a lot of people say that if you have a 60 inch screen, you should sit about 90 inches away from it. I assume that calculation is based on a 60 inch diagonal screen, and not a 60 inch wide screen. But the THX recommended distance, and the distance recommended by others, is for a screen that fills more of your view, thus requiring you to sit closer to the screen than the 1.5 calculation. Which is right? What is the best size screen for me to get if people will be sitting between 7 and 10 feet away from the 16:9 screen? And what if I am showing a 4:3 classic movie in its orignal aspect ratio? Should I move the seats closer? Any help would be appreciated.