I posted this on FB but thought it couldn't hurt to do it here as well.
I think the interesting angle to see from a lot of them is that citizen journalism is a kind of cost cutting device and a way to move with the time. Recession and changing role of journalism etc etc
http://www.cjreport.com/ - online paper with only citizen journalism in it. (Case study perhaps?)
Have a read of them, and let me know what you think.