These days, when we use the term MP3 player, we use it to describe an entire realm of portable devices that handle a wide variety of audio and video codecs. The Archos 105, however, is pretty much an honest-to-goodness MP3 player: It plays only MP3s and WMAs for audio. (It also plays WMV9 video files and displays JPEGs.) There's nothing wrong with this, per se. After all, there's a large contingent of non-iTunes music fans whose music libraries consist primarily of those two file types. And the 105 definitely has one thing going for it: It's super-cheap for a 2GB player.