Neowin.net posted a news story that Windows 8 build 7955 is in the wild

The new build contains many of the previously shown features here on Neowin including a new log in screen, the ribbon interface, language profile, new taskbar, metro design theme, and other new updates. While this actual build has not leaked in full like build 7850, 7955 is a more robust Windows 8 build in comparison.

The video shows the new login screen and how the new Metro design language will act on Windows 8.

  Windows 8 build 7955 in the wild, log on video surfaces