I have a JVC single DIN unit. Looks like any CD capable head unit. Plays mp3's off a DVD too. Above I have a 7" retractable screen. It is used to display the DVD or the PC and has built in TV too (but no aerial and nowhere to feed the sound output)
C:\Documents and Settings\User\My Documents\Bluetooth\Inbox\MOV00023.MP4 eurovox plays mp3 / dc / dvd's