I have been watching for deals on Skylander for Wii and it looks like Toys R Us  has stepped up to the plate.
These are each on sale combined with a Buy 1 Get 1 50% OFF ALL Skylanders Figures & Accessories! (Excludes ALL game system hardware). So if you have an additional piece you need to buy this might be a good sale for you.
Skylander Giants Bundle for Nintendo Wii in Blue  $149.99 (get a FREE Wii Ultra Sensor Bar with purchase!)
Shipping is free on orders of $49 or more- hopefully this is the deal you have been looking for!