Right now, Ondrej, as part of Google Summer of Code (GSoC), has been hard at work porting
Open Inkpot (a distro of Linux 2.6.x) to the Cybook Gen3. Clearly, work needs to be done to understand how the SD card and the USB port interface to the S3C2410 ARM CPU, but here's a photo of the OI kernel happily running. Note that the Cybook is now showing it's true colors!
Derek