It has 6 extra buttons, 2 at the shoulders and 2 switches at the back. Map commands from the face buttons to the extra ones and you never have to take your hands off the analog sticks.
Modder [Ed] converts Xbox 360 Slim consoles into portable laptops with a 17″ 720p LCD monitor, LED backlights and engraving. You can send in your own console or have him use a brand new one.
Awesome Stuff from Technabob, MightyMega and 95Octane