My ideal reader would be a Nook STR with the screen/light from the Kobo Aura HD and the dynamic refresh algorithm from the new KPW and Kobo Aura.
Key ingredients:
- Android (for third party stores and readers)
- High PPI
- 7" screen
- Fast page turns
- Even frontlight
- WiFi at least, 3G depending on cost
In my 4+ years of e-reading I have yet to pick up an eInk device because of the low resolution, slow page turns, small screens, and reliance on outside light. I'm about ready to take the plunge on the Aura HD, though the incremental improvements and smoother software on the new KPW are calling to me, too. Cross-device syncing would be a plus, too, including Whispersync with Audible (about the only reason I ever buy a book from Amazon).
There's an outside chance B&N might deliver my wishlist, minus the 7" screen and probably at more of a KPW PPI, before the holidays. I can't say I'd advise that move from a business standpoint, but maybe if they don't expect or try to knock it out of the park, they can stay in the game. Still, there's always another device "coming soon."