MusicMatch.com - Create MP3s, play MP3s and manage all your MP3s

WinAmp.com - The best player yet. Does MP3, MP2, VQF, AAC, CD, MOD

SHOUTcast.com - Tune in to Internet streaming audio, like Real Audio, but MP3.

Rio PMP300 - Play a hour of digital-quality audio on this portable MP3 Player.

MP3Kit.com - Make your own home built stand-alone MP3 player.