The Cybook Gen3 is an 'open-source' book reader. It has 512Mb of memory (and an SD card slot), weights just 174 grams and connects via USB. The OS is based on Linux.
Bookeen CybookThe Cybook supports the Mobipocket format that includes books, dictionaries and News sources. it is available now for 350$.
E Ink display info:
6" E Ink display, 600x800, 166dpi, 4-color grayscale
Posted: Mar 19,2009 by Ron Mertens