The EM-750R, available in 512Mb and 1 GB versions, is a tiny (69 x 33 x 16 mm) mp3 player which comes with an OLED screen that can display 26000 colors on its 96 x 96 pixel screen. Pretty cool! This tiny travel gadget reads MP3, WMA, WMA DRM and OGG files and has a battery life of up to 15 hours for mp3. $231.88 at GeekStuff4u.
EM-750RW 512Mb (MP3 player) (Akihabara)