You might want to take a look at the pre delivery inspection checklist which is available to our members. To view it, go to the Keystone Questions section of the forum and look for the sticky with the same name....PDI. You can download it, print it off and take it with you when you go to pick it up at the dealership.
Welcome to the group...looks like you have a great combination. When you get it home and get out on your first trip with it, let us know how everything worked for you.
2008 Cougar 5th Wheel 27RKS
2005 2500 GMC Duramax