Engadget has a nice article
up on how you can transform your standard Xbox 360 AV output cable into a VGA cable. Why would you want to do this? Well, you'll save yourself the $50 or so that a VGA cable will set you back and the VGA cable will allow you to output 1080p to your HDTV. The process is certainly not for the weak at heart and you might just be better off buying a cable from the store.