As Windows 8 takes some time to come but some interesting leaks are already started hitting internet, and here is another cool feature of it and its Aero Automatic Colorization.
Aero Automatic Colorization, it the ability to automatically configure the color of Aero elements, like the Start Menu, Windows Explorer windows, and the taskbar based on the desktop wallpaper.
To use this you have to right click on desktop and then select Personalize and the click in Windows Color, there you will find a new option in the grid of window color swatches, Automatic, (Microsoft removed one of the brown colors to make room.)
Now as you keep changing your wallpapers Windows Aero color also got change.
Hhhmm Nice feature.