Modeling Ft. Wayne Indiana and the genreral area around it

I'm planning on modeling Ft. Wayne, IN and the surrounding towns. Is this a good idea for TRS 2006 or is it better to use Trainz 2010 when i get the proper computer?

P.S. Can anybody tell me what horn this is?
http://www.youtube.com/watch?v=dqrz...xt=C317b974UDOEgsToPDskIL0fk3MSAjX39mu81Iv3uu
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You have a P.M.