You can actually get it even cheaper... like low $500s on ebay. I went with IKE cause i felt *a little more* comfortable going with them to get all my shit than some other ebay guy. I paid $548 for the Pioneer from IKE.
Only problem is that the PC-link kit you need to buy to upload the images to the headunit is about $70-80 buks. Not cheap. I saw a pic of it, its actually a faceplate that connects to the headunit, but also has a cable that runs to your laptop (either USB or Serial - probably USB).
But its pretty cool idea.... it will definitely wow your passengers.