I'd really like to see this new Sim City take a little from Sim City Societies, to another whole new serious level. Could there be the possibilities of choosing what type of government your city will have? Will there be an options of making an Authoritarian type city, with secret police, propaganda etc? Or a representative democracies, corporate driven cities. I'd like to see it really factor in, perhaps different advisers that will be installed based on your decisions.
Perhaps they could even take care of certain issues within the city, of course there would be an option to limit how much power they have. For instance, if there was a riot - a certain adviser you select knowing he would handle the situation a certain way to your liking. The possibilities are endless.