Tire rack does ship to Canada. Here is my reciept from 04/14/09 when I got my first set of rear tires shipped to my door. There is duty and brokerage charged to the bill so you will not be getting an additional bill in the mail later on.

2 275/35ZR-19 Hankook Ventus S1 evo XL In Stock
Each: $139.00
Total: $278.00

Shipping:$63.92
GST:$15.87
HST:$.00
PST:$30.51
Duties:$19.46
Brokerage Fee:$20.00
Excise Tax:$.00
Provincial Tire Fee:$.00

Order Total Including Shipping:$427.76