http://googlediscovery.com/wp-content/uploads/gmail_new_interface_mockup.jpg

http://googlediscovery.com/wp-content/uploads/google_reader_new_interface_mockup.jpg

This guy rocks!

Source: Google Discovery
http://googlediscovery.com/2011/06/30/leitor-cria-mockup-de-como-seriam-as-novas-interfaces-do-gmail-e-google-reader/

It looks good for me, better than the redesign of Google Calendar anyway ;)

The new Gmail theme is available at https://mail.google.com/mail/#settings/themes

Enjoy!

Nice change but the colors like black and red are too heavy.