Here's a new developer diary for the new SimCity, talking about the game's deep management options.
Lead creative director Ocean Quigley explains the mechanics behind building, maintaining and optimising your city, how you take control of multiple cities and how they will influence and affect each other.EA has confirmed a SimCity release date of March 8, 2013, representing a slight delay after having previously been announced for a February 2013 outing.

http://www.computerandvideogames.com...city-gameplay/