Hi all once again. I got back last night at 9pm and, in true civfanatic fashion, got straight back to work again. I've posted a new version of the map and screenies to go with it.
Observations;
1. It'll involve a lot of work but I think I need to move the whole valley of mexico southwest on the map. It's really too crowded and there's a big space there with hardly any cities. As a great modder once said, "To hell with geographical accuracy!"
2. I'm a bit unsure whether I should use the civs' various names for themselves, their cities, etc. or whether I should use Nahuatl Throughout. If any of you have a chance to look at the biq please tell me what you think.