I've been working on a route in Railsim for the last few months and will initially model the Illawarra line in Sydney. I have laid rails to Como so far and I'm in the process of creating some stock to run.
I purchased Railsim as soon as it was released but lost interest as I found it too difficult to create content. I've since come back to it and I am slowly working it out. I find route building a lot easier to do with spline tracks but creating rolling stock items are a lot more time consuming.