Toys R Us Canada online currently has two LEGO sets on sale. This includes LEGO City 60075 Excavator and Truck for $39.98 (reg.$59.99) and LEGO City 60003 Fire Emergency for $39.98 (reg.$49.99). Savings work out to be 33% and 20% off respectively. Free shipping on orders above $49.
Thanks to forum member PoisonIvy for the heads up!