Sources: Microsoft , 
quote: There's ZERO chance I'll ever be sitting at my desk touching the screen which sits 20" away
quote: Metro is the default interface
quote: If I could operate exclusively in Metro when I wished and exclusively in the desktop with one touch access to the other environment I would buy Windows 8 in a second.
quote: You just need to wait until the next Windows version after 8. That's Microsoft's usual pattern of one good version of Windows then one bad (XP -> Vista -> 7 -> 8).
quote: Use the 1366x768 resolution.
quote: You just have to spend about 5 minutes learning the OS.