This isn't a joke,nor is it illegal.
1.first you must have a google checkout account,if you don't, get one here
2.add the headset to your cart http://www.buy.com/retail/product.asp?sku=204031277
3.Use google checkout, they will take 10$ off your first order,so now you can get the headset for free.
Thanks to a user on the Gamespot Forums.
