I'm going to need a wireless router to get internet access when I get a Wii, so what should I get? After x-mas I'm getting an iMac, which would be in the other corner of the room from the Wii. Should I plug my cable line into the router, and then my iMac and the Wii will get reception? Sorry if these are stupid questions, I've never used a router before. So, What should I buy? & Is what I think I do correct?