Mark writes -
In this little proof-of-concept I was eager to try out if I could swap the Microdrive inside an iPod mini for a Compact Flash-card. These cards are getting bigger and cheaper by the day so my idea was, if this works out, we have a great way of extending the life of this little MP3-player.
geektechnique.org: turn your iPod mini into a flash based iPod - Link.
http://blog.makezine.com/archive/2007/02/how_to_turn_your_ipod_min.html