The login window that will be greeting all users of Karmic Koala has finally been revealed!
The GDM design as a whole, like with the XSplash, sticks very closely to the mock-ups the Ubuntu Design Team shared back at the start of this ride…
[Update 26th September]
Although several major websites are saying that this is the new login screen: -
I can assure you that the final login screen will resemble the original mockup.