Originally Posted by Jellby
Future, zooming and archive.
Future: Most readers may be 600×800 today, but who knows what will be the norm in 5-10 years? Would you like to redo your book, re-scan the images, re-process them to adapt them to better screens?
Given that there are now some 768x1024 eInk readers out there, I expect eventually they will all be like that for a 6" display.