I think there are advantages and disadvantages to all three types of entertainment systems (main screen, aisle-mounted CRTs, and drop-down LCDs). I think Main Screen video can be the best-- if you get a good viewing angle. I was recently near the rear of a JAL business class section, and had trouble seeing the movie on the screen because of heads blocking the picture. On a separate flight I was in a center bulkhead seat in coach-- the screen was just too close and the brightness became annoying after awhile. On the other hand, the drop-down LCDs are neat, but I've discovered some problems with viewing angle. I was in the window seat of an A320, and because the cabin was fairly bright (we were watching some of UA's short subject programming, not a movie), it was difficult to see the picture.