This Media Player

Overstock.com has the Legacy In-dash DVD/ CD/ MP3 Player for $59 - 10% with coupon code “125346” + $3 shipping = $56 shipped. It has RCA audio in to hook up your MP3 player, and it apparently even plays DVDs when you hook up a screen.

Product description from Overstock.com:

• Take entertainment on the road with this in-dash DVD/CD/MP3 player
• Car audio/video device has front AV Inputs and digital display
• Auto entertainment accessory plays DVD/ MP4/ JPEG/ WMA/ VCD!
  / CD/ MP3
• Front panel a/v inputs
• Auxiliary audio output
• S-video output
• Dolby coaxial digital output
• Front panel inferred eye
• 19-inch remote eye extension
• Dolby pro-logic/ DTS ready
• RCA video and audio output
• JPEG picture compatible viewer
• Built-in screen saver
• Power on indicator
• LCD backlit display
• Multifunction wireless remote
• Multiple mounting options
• Screen aspect switchable: 16:9 to 4:3
• 500 line screen resolution
• Multi language menu
• Multi angle viewing control
• 4 speed disc scan (2x, 4x, 6x, 20x)
• Frame by frame and slow motion feature
• Last screen memory
• Standard DIN size
• 2 inches deep x 7 inches wide x 7 inches high