Does anyone know how to connect one of the new macs (snow leopard) to an xbox 360 for xbox live? I've managed to get it set up so that when you run test xbox live connection on the 360, it recognises that the xbox is connected to a network, but i can't get it to the next stage, onto the internet. When I log on the 360, i get a message saying "another device on the network is using your computers ip address........try connecting again later etc." Very stuck as to what to do next so some help would be good!!!