Get ready for the Windows ride of, well, at least the decade. In the center, you will be able to see the real estate space formerly occupied by the Windows 7 Betta fish wallpaper, now a stylized version of the Windows logo illustrating the proximity to RTM.
At the bottom, you can see the evolution of the Taskbar, which is now referred to as the Superbar, and the goodies it houses, such as Jumplists and Previews. In the bottom, left-hand-side corner, the Windows orb has been revamped with new effects, and comes alive as the mouse interacts with it. Read more here.
[ame="http://www.youtube.com/watch?v=A-buQI6h2o4&feature=player_embedded"]YouTube - Windows 7 Tour - Episode 1[/ame]