I would love to see lights coming from the homes at night, only subtle candle light or light from the fire in their home - I think it would add a great effect. Failing that, what about moonlight? Just something to give the night time a little more spice
While I am here, I would love to see more detailed metrics in game that let you really know how well a production building is doing. I am not finding the graph very useful at this stage and its a little redundant I think.