Hi, If i have airport extreme which is built into the imacs (im getting the 24") would it affect my broadband connection on the imac if i had it connected to the net? I do not have a router, we only have this pc connected to the web right now but tomorrow I'm getting another pc to tinker around with for a class, but if this was also connected to the web on a wireless connection, would the entire network (including the imac) have the wireless speed have the same number of megabytes per second? Sorry if you dont understand. Its just i dont understand about the airport extreme being built in - i thought i needed a router if i were to have wireless. Thanks!