Fuji
Not for this purpose, but I have a Bookeen Cybook Gen3 which is absolutely bril.
The screen is smaller than the Illiad and detailed drawings can be difficult to read.
If you are an avid reader, definitely worth getting one anyway.
The way eInk works means that page turns are slow, but I get about 5-6,000 page turns out of a single charge, as the battery power is only used when changing page, not when displaying.