Possession of less than 2 ounces of marijuana in Ann Arbor, Michigan is a civil infraction with a $25 fine, like a parking ticket.
http://en.wikipedia.org/wiki/Cannabis_laws_in_Ann_Arbor,_Mic...
Massachusetts approved decriminalization - $100 fine for an ounce or less: http://www.boston.com/news/local/breaking_news/2008/11/quest...
I like dope and I don't like going to jail, so thanks but no thanks.