Ram website does something very sneaky. The "total price" at the top assumes all rebates AND a 10% down payment. The actual price on that configuration is about $50k for a 2015 which doesn't have any rebates.
Bedlam, why the manual, with the 20k Jerry plans on hauling I would suggest the Asian transmission.
If I order, I plan on ordering the rear camera which is mounted in the tailgate. Then I plan on buying a replacement camera for ~$200 and mounting it to the camper after extending the wires. Just hook it up when I load the camper.
If you could find a 2014 in stock that is close enough except with the backup sensor, you should be able to have the service tech turn it off with the scan tool, just like it wasn't even installed.
Make sure you check out the Ram dealer in Danville, KY for some good deals.