Wow thanks for all the replys! I was using a walkman a729 connecting to my headunit via the aux in 3.5mm headphone jack. The sound was noticbly better. However, when I got home this evening I hooked up my sisters iPod to the USB port. When I did that this system came alive! This is how the car should have sounded from the start! I hear all sorts of tastyness from my speakers and just the whole system sounds good now. I can tune the EQ on the headunit and actually play with the EQ on the iPod.