The Xbox controller pad contains a USB hub. I had an idea about using it for adding two USB ports for a keyboard and a mouse when running Linux (e.g. GentooX ). This is the starting material, an old USB port from a PC and some USB cabeling.
How to rebuild your old round MAC omnidirectional 3.5mm plug microphone to work on a normal PC! First lift the rubber on the back and unscrew the little screw. Bend the mice appart.