is it better to hook up to a wireless cable router w/ the ethernet cable the xbox came with or to buy that $100 wireless xbox piece. Also is it easy to hook up ur xbox online like wii or is it totally different. Do I need anything other than my wepkey to hook up to xbox live? Please Someone HHHHHHHHHHHHHEEEEEEEEEEELLLLLLLLLPPPPPPPPPPPPP!!!! !!!!!!