I'm planning on working with the OI team to bring OI to EB600 variants like Cybook Gen3, eSlick Reader, and the other 'clones'. I think the eSlick, for example, uses an older board than the CYBGEN310B (third form), although it is certainly similar.
I'll try and get my pictures into the Wiki somewhere. Side by side, I hope, so they are easy to compare.
For starters, check out
www.netronixinc.com/product_EBxxx.htm - where xxx can be 100, 500, 600, 610, 611, or 900. The regular site is
http://www.netronixinc.com/product_e-book.htm. The choices are not clear.