Sherpadog, since you're in Canada, I think the Snow Tires might make more sense for you than they would for me.
From what I have heard, Snow Tires will have worse gas mileage than either "summer" or "all season" radials.

Since we don't see snow conditions that often here in Tennessee, I think it would probably be best for me to stick with "regular" tires, and then have the Chains or Cables as a backup for the few times that they might be needed.