You've gotten some good tips. I could echo the same, but you get the picture. Having said that, you say you are picking it up and INSTANTLY heading out for a nice trip. It's probably too late for this advice, but I would try to either do driveway camping for a night or two, or something local as my first outing. I don't know if your rig is new or used, but either way, a little shakedown would be good before you hit the road, to make sure everything works. You can live in it over the weekend, and make a list of all the things you need so you are better prepared to hit the road.
Make sure you have a decently stocked tool box. Electrical tape, voltmeter, 12v tester, flashlight, batteries etc... If something fails along the way, you need to be somewhat self sufficient. Road side assistance can take hours and mobile RV Tech's, while good, do cost money.
Mike
