I have an Eclipse CD4000 radio. Wonderful sounding unit. A friend of mine got a Pioneer with USB and it sounds great, better than any CD I've ever heard. He says its the raw data transfer or some crap. With my unit I need a box to use an Ipod for it: http://www.crutchfield.com/S-3dHAWDh...sp?i=099IPC106 Would this sound as good as USB or is it time to upgrade? I just brought a knock-off ipod that uses USB a couple of months ago, but I will to buy an ipod adapter and get a pod if it sounds good.