So, I'm still pretty new to all of this. Is it possible to use the trains and rolling stock (including any complete trainsets if there are any) that I buy in the content packs for various routes with other routes? When looking in the train set dialogue box, I never see any trainsets I recognize from any of the JR routes. The JR trainsets are always much nicer than the default trainsets that came with the various Deluxe routes.