i live in australia, and im looking to get an Apple Airport for my MacBook Pro so i can have wireless internet through my house, but the ethernet port on the back of my Motorola SB4200 Cable Modem doesnt work when i connect it. i am currently using this modem on my home PC by connecting it via the usb port. please can anyone help me change this so i can hook it up to my Ethernet supported mac system. please respond asap. cheers guys