Why is it silly steven? I play xbox live, modders on halo 2 are banned all the time if detected, and seeings you don't have an xbox how can you tell him that its 'silly'. *Sigh*
It will be damned hard Especially as you don't have an Operating System to work from. All the XBox SDK will tell you is how you can communicate with the hardware on an XBox through the actual XBox Operating System