If you missed these sets being on sale earlier, Costco.ca has them back instock! LEGO Technic Mercedes Benz Arocs 3245 is on sale for $199.99 (reg.$229.99). Savings work out to be 13% off. LEGO Technic Crawler Crane is also down to $144.99 (reg.$179.99) which works out to be 19% off.
Thanks to forum member mobilelinkage for the heads up.