Yeah, DJ Brannon did the same thing last year, except he offered a 12 month XBL code and required to do some picture hunting. Glad I got in on his thread or else I wouldn't be playing Halo 2 online
wait, don't you just have to go to the website and enter in the serial number from the bottom of your xbox to get a free two months? that's how it works for Aus NZ and it's open to everyone all the time. try it with an American serial and see what happens.