I recently moved into a house wired with 6 zones of Russound speakers and Cat5 cables. The six wall plates are the old style nob with four selectors (tape, aux, CD, tuner). I think it's close to ten years old. I have no other hardware (i.e. no controller or amplifier). I'm looking for the least expensive way to get and control ipod audio to each room. Will I be able to buy the CA4 amplifier/controller (I know, only 4 zones) and a sonos zoneplayer and control music from ipad/iphone? It also looks like my Cat5 cables are an old type of cable - about 2 inches wide. Will they fit in the CA4 or do I need an older Russound controller? Also, I'd like to have my TV as an input as well. Will the iphone app for the Sonos allow me to control each room, or just on/off for the whole house? What types of controller will I need? My preference would be to buy a few ipod touches over the more expensive - less functional - Russound controllers. Thanks!