yep - defo with a preference for Edinburgh to Aberdeen, as its a more interesting route with Fourth Rail Bridge and Tay Bridge, and its a route that hasn't really been done in any TS releases (there was a Just trains one in TS2017 but it wasn't very accurate and only went as far as Dundee. Even Edinburgh - Dundee would be good with a view to releasing a later Dundee to Aberdeen/Inverness Pack at a later time.