Go check out Engadgets hands on with a prototype of it on YouTube. I'm on my phone otherwise id link it myself.

It's certainly interesting, but I think the eink back looks a little... Well, ugly. Would be neat if reading HN on it would not drain my battery, but the radios suck down most battery after the screen, so I think offline documents would be better suited. Think not needing a kindle... It's really different.

(why the downvote? I normally never ask, but I'm confused as to what I did incorrectly and would love to know so I can avoid it in the future)