This issue of Scientific American looks interesting.

William Gibson - "The Internet, which I think of as a sort of meta-city, has made it possible for people who don't live in cities to master areas of expertise that previously required residence in a city" also mentions new planned cities like http://en.wikipedia.org/wiki/Masdar_City and there are plenty others like this in China - China's planned megacity: Pop. 42 million - The Week http://look.ie/oYF1PS although Well-Planned New Cities in China Becoming Ghost Towns | MedIndia http://look.ie/pn7JHg
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