Head on over to my Android Authority post to get the details, then let me know what you think in the comments below.
Myself, I am not entirely a fan of the new design. Dont' get me wrong, the idea behind it and the functionality if offers I think will be great, it is just the plain aesthetics that are not doing it for me. To each their own, I suppose. At least the new designs promise to be consistent across platforms and interfaces, so that you have the same look and feel no matter where you access your Gmail, Calendar, Hangouts, Keep, YouTube and more.