I believe that this is your opinion, but my own opinion (having also tried them, and used multiple generations of B&W ones before this) is that the screens look just fine, and that the slight downgrade of contrast isn't a big deal at all.
Sigh - I don't want a giant, note-taking ereader - I want something about the size of a pocket book with a crisp B&W screen.
Why do I need colour? I am reading novels.