Group at Omnimo has released Windows 8 Theme which can be applied to Windows 7 to get the same look and feel and this is how Windows 8 will look when installed on Windows 7. Outlook, Calendar, Facebook Updates, RSS feeds, Skype etc. Consider this as better places UI running widgets which you use most e.g.
Windows 8 Look and Feel will be similar to Windows Phone 7 User Interface which will bring the most important thing on top of your desktop.
