Yep.. regarding better parallellization of the huge program calculations, the developers have also announced that they are working on dividing these calculations over several CPU cores. And that it is for the developers already clear that they shall create more Train Fever developments. For the future (but not earlier then 14 months after now) it is very probable that the next better Train Fever version shall be developed. More information from the developers regarding their further developments shall be announced in the next month.