Hello, I have tried to google the problem, but non seem to relate to my specific problem. I am trying to watch Ironman on a 50" Samsung Plasma TV. I am using an 80GB PS3 as the bluray player. In the PS3 settings only 1080p is selected. However, when the movie starts, the screen shows information regarding the resolution. Initially it shows 1980x1080, but then switches to 720x480. Has anyone else had this issue? Does anyone know of a way to fix this? The movie lists that it is 1080p ready. THANKS!

Link to TV

Edit: Tested it with a different PS3 and a different blu ray movie, same issue.