The SDMX1 from Sandisk is a 1GB solid state memory MP3 player. It can handle MP3, WMA and the protected WMA DRM files. There is a built in FM radio and microphone for voice recording.
The Sandisk SDMX1 is powered by a single AAA battery that gives around 15 hours of continuous playback. Measuring 75.2mm x 32.8mm x 20.8mm and weighing under 40 grams with a multi-line indigo backlit LCD display this makes a decent MP3 player for your trip to work or the shops. You can use the SDMX1 with a Macintosh computer or PC connecting it via USB 2.0.