I have started playing CiV recently, while waiting for the Civ: BE and have been trying my hand with various mods.
Here's one particular mod creator (he only does new civs) that I would like to recommend, as they are all top notch:
http://steamcommunity.com/profiles/76561198010459974/myworkshopfiles/?appid=8930&p=1
I love winning the cultural victory as Papacy. :D
You try Civ I recently?
I liked Civ but a bit old-skool for me these days.