http://www.tiretrends.com
http://www.tirerack.com
http://www.costco.ca
The one advantage to Tire Rack is that they have more selection of wheels and rims, 1010 tires does not have rims for my vehicle.
Note that Nokian does not allow online sales of its tires. So, other than the oddball small dealer, you can't buy them online. Only at KAL tire.