Came across this and I found his four possibilities of utopia that could happen of interest. I think you will find it something in your area of research, Robin.
One where there is abundance of pure communism, a dystopia of rentism ie creation of artificial scarcity, another where there remains some forms of scaricity requiring rationing, and finally, abundance for the elite but making the working class superfluous to them
http://jacobinmag.com/winter-2012/four-futures/