Surround view is available on a lot of cars now, not just super luxury models. The good systems have better image stitching and better clarity. I was even in a cheapo Honda van in Japan that had it.
The trans takes in data from the GPS map as a virtual horizon, and can use road geometry and grade data to hold a gear longer, downshift quicker, upshift earlier, etc. Say you are approaching a long grade; the trans may hold a lower gear longer so that you have the torque available, instead of doing a harsh kick-down after you are already slowing down as you drive up hill. This is just the beginning though. Soon it will know you're approaching a taco bell, downshift to slow the vehicle, and automatically steer into the drive through.
FWIW, I just priced out a new S550 with the Driver Assistance Package, Surround View, Night View Assist PLUS, and Magic Body Control and it cost $109k. No fancy headliner though.