I had been thinking for years that it would be great to collectively build a model of my nearby Detroit, MI/Windsor, ONT area. Recently, I saw a TV show, the Red Bull Airplane Races which took place last summer over the Detroit River, and they had an INCREDIBLY accurate animation(s) of the entire area...you could see buildings way off on the horizon as well as minute details such as cars and trees, lots of trees. I guess I would check TurboSquid, they are out there...be ready to pay and convert.