[Following the Xbox Live Arcade codes, this is no surprise, but nice to see][link]. Also of interest to me: Amazon does not allow their associates to get commissions on these cards. Profit margin must be close to zero, if not into the red.
[link]: http://www.amazon.com/exec/obidos/ASIN/B00213JM9O/ “Amazon.com: World of Goo [Online Game Code]: Wii: Video Games”