Interesting changes. Not gonna have a real opinion either way until I get to try it first hand, though. Maybe I'll move to the dev channel when the new UI hits there.
Reading the article, though, I'm very interested with the way they're going to handle multiple users - mainly this:
> If a user closes three windows with three different identities and the reopens three windows, the windows would assume the identity of the three identities again, Google said.