Θ Home: Consumer_Information: Electronics: Audio: MP3

See also:

Site list:

HowStuffWorks: MP3 Players Explains how things and technical processes work.
Epinions.com: MP3 and Digital Media Players Reviews written by consumers at Epinions.com, along with price and feature comparisons.
Anything But iPod MP3 Players MP3 player reviews, news, and commentary. The site features the latest digital audio and personal media players other than the iPod.
MisticRiver iRiver fansite containing information on iRiver brand portable audio players.
FrontierLabs Support Community Site containing news, reviews, firmware updates, and help forums for FrontierLabs digital audio players.
Dell DJ Site Reviews, news, and forums for the Dell DJ and other digital music players.
DAPreview The latest news and reviews on digital audio players from around the world.
iAudiophile.NET Cowon iAudio fansite with news, reviews, and support.
Wikipedia: Digital Audio Players / MP3 Players Wiki encyclopedia entry for MP3 & digital audio players.
Playlist Magazine Online editorials and news for iPod enthusiasts.