After a long hiatus from simcity4 to try the new mess in SimCity 2013, I've decided to come back to SC4. Of course I forgot my old simtropolis account and had make a new one... I've deleted and reinstalled SC4 for a fresh, more in-depth start. I'd like to be more focused on the smaller details in my cities. Therefore, I've decided to install a mess of mods. I'm just concerned I might mess something up and all that good stuff. So, my first question is, can I copy the SC4 files and boot the two copies separately (as in one modded and one mod free)? Second, other than NAM and its addons, what are some good mods to have?