I know this is going to be one of those questions where people say.. good grief, this guy is an idiot.. But here goes. I have an iPod and want to play it through my stereo. I am thinking I just buy a docking station with rca out and i'll plug it in to the aux in. So what does air tunes do? Does that take the ipod and make it a whole house audio system. I seem to be missing this whole thing... Could I just use iTuines through a macbook and the bluetooth sends it out to the airtunes? I think I am missing this whole thing or something.. Thanks.