Did you upgrade to Wii Fit Plus so you can stay in shape over the holidays? While some may question the validity of a Wii Fit "workout," premium water company Hint is trying to capitalize on the craze by offering all purchasers of Nintendo's latest fitness title a free case of water. A standalone copy of Wii Fit Plus costs $20, while a 12-pack of Hint water costs $22, making this quite the "deal."According to its official website, "Hint is a pure healthy water lightly infused with natural flavors. Unsweetened. Lightly flavored. No calories." If you're into that sort of thing, you can send in a digital scan of your Wii Fit Plus receipt to hintwater@5wpr.com. You'll be able to choose from one of the following flavors: Blackberry, Watermelon, Pomegranate Tangerine, Mango Grapefruit or Raspberry Lime.