I currently have the Z1 with Rear Camera, Bluetooth, XM all hooked and connected. If I wanted to get the Z1100BT, are the factory harnesses the same for the most part or do I have to re-wire? Also, anyone have a back side hi-res pic of the Z100BT they could post?

You will need a new harness for the Z110BT itself. As far as XM, bluetooth, etc. I'm not too sure. I do believe there are different boxes for the Z110BT vs. the Z1/2/3 so you may need to look up those part numbers. I imagine if the part numbers are different, the harnesses will be different.

You cant use the same harness from the older Z series with the Z110BT but the accessories you have will still work minus the ipod interface. You will need to get the ipod cable for the Z110BT and you can get rid of the bluetooth module sense the Z110BT has built in bluetooth.

There is a hi res pic of the back on pioneer's website