Originally Posted by DanishDevil
If you watch the video, it still has a Windows 7-like interface for "legacy" apps like Excel and such. A commenter put it well on engadget. People who use computers to "consume" will enjoy the Metro UI. People who produce (most of us) will still be using the "legacy" interface.
And then they'll do to the "legacy" UI like they did with Windows XP (phased out Windows 9x/Windows 2000 UI) and Windows 7 (phase out Windows XP UI). In other words, 90%+ of customers are going to hate Windows all over again. Microsoft has to learn to not f*** with features that aren't broke. If they don't learn, they will perish.