- Use your laptop as an Xbox/Xbox 360 "wireless adapter": http://www.instructables.com/id/Use-your-laptop-as-an-XboxXbox-360-wireless-adap/?ALLSTEPS
- Build an Xbox Wi-Fi adapter on the cheap: http://www.geeksaresexy.net/2007/10/02/how-to-cheap-wireless-for-your-xbox-360/