Thanks for the suggestions. I have planned to do more stuff for northern europe in the future, the X54 is on my list already. I'll add the Tampere tram there as well. I will only do stuff thats in service (or already planned to go in service) and I don't do a recolourable versions, if there's a livery missing I can add it though, but the Turku tram is not in service yet.

Suggestion for the next train to be the Tampere tram (perhaps recolourable and ability to extend by 1 car for usage as either the proposed tram line in Turku or the very similar X54 used by Helsinki Light Rail), the ForCity Smart Artic X34.