Any Phone is analog-looking handset that plugs in into any cell phone (via SciFi blog).
Cassette MP3 Player is an "MP3 Player built into a standard cassette casing, letting you either use it as a uniquely old school shaped MP3 Player, or with any car cassette or cassette player to play MP3 Music."
RCA Victrola Turntable CD Radio with Real Metal Horn.
DMP Player -- a prototype of a dual CD/MP3 player. Why is it a retro gadget? Because it is apparently inspired by the Audio Technica AT-727 Sound Burger, a portable 8" record player from the 80s.
Verbatim's Digital Vinyl CD-Rs modeled after 45 rpm singles, with grooved black circles surrounding album labels in the center.