according to a page at amtrakguestrewards.com:
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Beginning November 15, Auto Train passengers can rent the world's first self-contained, portable video on-demand system, preprogrammed with movies, television shows, cartoons, videos, music and more.
For just $19, Auto Train passengers can rent the digEplayerTM at the Lorton, Virginia and Sanford, Florida stations and enjoy a variety of movies, television shows, music, music videos and vacation information for the duration of their trip. The digEplayerTM has an 8-10 hour battery life. Content will be refreshed frequently, providing enough programming variety to meet every passenger's needs.
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I took the train up (alone) after my CP ended in Jan. I wish I had rented that video player for the trip. However they did have a movie play twice in the lounge car (very small TVs though).... and I think it was the movie "Red Eye". (I was bored enough that I sat and watched the movie both times they played it)