I'm Dave... the guy who took the photos. Alan asked me to drop by and add some comments.
I've been a fan of e-ink devices for a while (here are photos of some basic Librie experiments in '05: http://www.flickr.com/photos/flash5/sets/852316/
This display is a MAJOR step forward... I am blown away by the improved contrast and the really huge improvement in refresh rates.
I'm still trying to get my feet when it comes to the dev side the of the equation (embedded dev is a new ball game for me).
It's a really beautiful device.