Here are the results from the latest try. For this run I remembered to turn off accellerated production.
1475BC 10 cities, 10 workers, 10 warriors, 1 settler, 23 squares, turn=61
1000BC 20 cities, 22 workers, 21 warriors, 1 settler, 38 squares, turn=80
670BC 30 cities, 30 workers, 30...