I have only used ISO files to watch movies once and used VLC once. But here goes: I heard VLC plays ISO files according to this guide http://www.afterdawn.com/guides/archive/how_to_play_iso_or_img_files.cfm&sa=U&ei=PwtTT9_7O82Etgfdt7ihDQ&ved=0CAQQFjAA&client=internal-uds-cse&usg=...