Just checked Shoppers, and they had $100 FS cards, so I think what I'm going to do is 2 transactions of a $100 FS and $50 Shoppers gift card, and then use the FS cards towards my Zelda XL. That should get me 17,000 points, which are worth $40 on a good day.
Didja see a Wii Fit Meter by any chance?