If you're too cheap to spend $100 to pick up an Xbox 360 wireless adapter then you might want to check out these
instructions on how to use a laptop (or PC with a wireless card) as a wireless adapter. By leveraging the internet bridge feature in Vista and XP you can get your 360 hooked up to the internet without forking over any cash. This isn't exactly the most convenient way of doing it but it does save you some money.
