As you know you can now get firmware and instructions on how to flash you 360 bios and get a new interface and backup games etc
Its not an easy hack and can easily kill the 360 (
linki here)
http://www.tekforums.co.uk/posts/list/1439.pageWhat i find interesting is the claim that the hacked 360s Can play all current games at hi-def and exactly the same as a normal one, BUT it can play ALL Xbox games.
Thats an interesting thing for me, all the talk about the ATI emulator and some games not working, but ALL can with the hack. I have not got as far as to reading up how or why but its funny how they have done it and MS did not.
May be the case for legal reasosn rather then technical that Some games wont work on the 360?