Anyway, I got my inspiration from him. But I didn't liked the big box idea, I wanted to be able to use the Xbox controller too. So I look inside an Xbox wireless controller (20$ canadian) and like I suppose, their were enough place on the top to put a female db9 connector. Here's the Wireless Xbox Controller with removable NES controller (Yes, I know it looks like a wiimote with a classic controller !). The Xbox controller still work too. I'll put some progress picture and a movie as soon as I get time. Here comes the pics:







