I just bit the bullet and ordered snow tires for my existing X (the current ones have well passed their best-by date). I don’t think they will be transferable to the refreshed, so in that sense it will be $2,000 down the drain, but this way I won’t be worried. And—even though I ordered the refreshed X immediately following the refresh announcement and in theory should get delivery by the end of the year, I may get a full winter’s worth of use from my new snow tires if the new X isn’t delivered by the end of winter.
In response to a question, in most of Canada snow tires are legally required. Even though that’s not the case where I am in Ontario, better safe than sorry (and of course there is some re-sale value in what will be my new used snow tires)!