Rockbox is an open source firmware for mp3 players, written from scratch. It runs on a wide range of players:
* Apple: 1st through 5.5th generation iPod, iPod Mini and 1st generation iPod Nano
(not the Shuffle, 2nd/3rd/4th gen Nano, Classic or Touch)
* Archos: Jukebox 5000, 6000, Studio, Recorder, FM Recorder, Recorder V2 and Ondio
* Cowon: iAudio X5, X5V, X5L, M5, M5L, M3 and M3L
* iriver: iHP100 series, H100 series, H300 series and H10 series
* Olympus: M:Robe 100
* SanDisk: Sansa c200 series, e200 series and e200R series (not the AMS models)
* Toshiba: Gigabeat X and F series (not the S series)
i installed it on my sandisk e250r works and looks great maybe an alternative for some others out there