Microsoft Explains Windows 8 UI Goals

[WinAndLinuxTutorials]

When released in a final flavor later this year, Windows 8 will bring along a new approach to using the PC by introducing a wide range of touch optimizations. 

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[malbky]

They promise increased customization, I hope they live up to it. UI customization is one area where windows lags a bit behind. Maybe metro is a match for Unity of Ubuntu.