1. No comment on my preferences until I publish review.
2. Don't know about video files; I never use them. The manual does refer to playing music, movie and photo files from the USB port.
3. Will check on the the repeat function but the remote has buttons for repeat and A-B replay.
More info: http://www.oppodigital.com/Download/BDP83/BDP-83_English_Manual.pdf
Kal