One of the things that I like most about the eti-2 is that it is designed with enough forethought that you can easily carry it around one handed without worrying about dropping it. I have some big ole paws and small shiny slippery things tend to get fumbled out of them.
I think that it would be worth their while for manufactures of an e-ink readers to consider creating a reader with this same shape and rubbery texture that is such an aid to keeping a hold on of the thing.
What I would like even better is to see a reader with this same sort of ergonomic shape and the display used by the One Laptop Per Child laptop. Color and sunlight readability in an inexpensive lcd display. According to their
website pixelqi.com Dr. Jepsens company is in talks with manufactureres to provide their displays for companies build ereaders with.