I came across the story of this neighborhood mesh network in DC and thought
I'd share. They're using Commotion firmware on Ubiquity routers. They've
only managed to get a handful of nodes up but I think their experience is
informative.
I like his posts Start With People and Treat it like Infrastructure,
http://mountpleasantcwn.net/blog/
This marketing doc is good,
https://docs.google.com/file/d/0B3YVvUQQSjTpTkg5YkxNLXVXR3M/edit?pli=1