Originally Posted by jeffrx
Rockbox can play FLAC and OGG files. It is very configurable. You can choose how your music/book are filed. I have never heard any incident of the DRM capabilities of stock OS being harmed by Rockbox. You can switch between stock OS and Rockbox easily. It does have a bit of a learning curve and is not for every one. I am an avid Linux user and love to tinker with all things digital. Comprehensive manual here:
But the Clip Zip can already play FLAC and Ogg files.
I'm still not seeing exactly what the point is, even after looking at some of the links provided (though I haven't tried to wade through the entire manual).