I do want an upgrade to the Android version, even though I am most interested in the eInk side. Docs to Go does not work for most of my pdfs (Google Books), so I am wanting a good pdf viewer that I can have up for color images while I read on the eInk side. I would also like the ability to have two different pages up at the same time, one on each screen.

If Docs to Go did work, I wouldn't be that interested in an Android upgrade.