WTB: Xbox Live Marketplace points

[Super20]

I'm probably hoping for something that won't happen, but I want to buy some Xbox Live marketplace points for less than I can at wal-mart (1600 for 19.67). If someone has some sitting around that they would sell for cheap, maybe because they don't play their 360 or maybe got them as a gift and don't need them or want, let me know. I can pay paypal and you could email me the code. Or maybe you even know somewhere cheap I can find them. I've already tried the ebay route and they go for more there than wal-mart. Just hoping someone can help a guy out.
I do have a black apple pro mouse I could trade.