Yep, it's a difficult decision. The Tracer Pros will have much less rolling resistance, so more mileage but less grip if conditions are really bad! Hopefully, the weather will allow the Tracer Pros to be used but you do have more chance of freezing/snowy weather than we do here in the UK.
With our typical wet winters, I was expecting to put my new Continental Terra Speeds on my Vado SL, but I also have a set of 38mm Continental Contact Urban Reflex tyres, these are currently fitted to my Sirrus. I could see them working well on the Vado SL to maximise range, as they're very fast-rolling, but it would limit my riding to tarmac roads and paths. On other surfaces like gravel/mud, they can be very slippery.
I can see myself using both at some point over the winter. That's the benefit of sticking with tubes, it only takes 10-15 minutes to swap over to new tyres.