Two articles about the game.
SimCity: Digestible Complexity
- essentially a puff piece that talks about all the different systems and how the UI makes them manageable. It seems that the heart of the game remains about how it's always been.
Multiplayer: Competition and Experimentation
This one is probably worth a read if, like me, you're worried about the consequences of other people screwing up your city.
If you don't want to, you're not required to play with other players on a city-to-city level. Everyone gets their own region, and you only play with others if you invite them to settle in your region or open it up to everyone. Heck, you could even populate an entire region with cities that you exclusively control, manipulating them so that they create a symbiotic network that strengthens the region as a whole.