Bulington's civic cloud has been funded by the Knight Foundation! Check out their materials here: http://codeforbtv.org/collaborations/civic-cloud/
Philly Public Cloud
The Philly Public Cloud will utilize OpenStack together with community-contributed hardware, rackspace, and management to provide free hosting for public-service apps and sites.
Burlington, Vermont is spinning up a similar plan: http://codeforbtv.org/local-cloud/