Quote Originally Posted by brian 333 View Post
Cities are a cultural relic created by the need for specialized labor and long term food storage, both of which no longer apply.

Specialization of labor, when a day's travel was ten miles, required raw materials to be collected in a single location so that, for example, wool could be cleaned, carded, spun, woven, and dyed, and food for all of the non-food-producers could be stored all in one place. Modern transportation allows much more dispersed manufacturing.

Similarly, bulk food supplies to maintain healthy citizens over winter and through famines have become less necessary since canning, refrigeration, and modern transportation.

So, enjoy your cities. In a few generations they will exist for tourism, art colonists, and those who like to be near lots of other people. (Unless you think it more likely they are used as prisons like in Escape From New York.)
I think you're really overlooking the social and cultural benefits of cities.