My bet: The Santa Fe F7 hit CRR together with volumetric clouds, new lighting system and improved trees \o/ I am curious for some crazy theories of yours
I reckon something for the excellent, but rather underused Class 612 DMU from Dresden to Chemnitz. Also we will get New Journeys for the ICE-1 from Wurzelburger. For the UK, a reskinned 313 on the Harrow to Queens Park section of Bakerloo to represent DC Line services.