Congrats on your first rig!!!! Don't worry, we won't be to harsh on you for not buying a Jayco!!!
Important thing is you guys are happy with the model you picked, and you enjoy the heck out of it!!!
Now get it packed up and do some driveway camping the first night or two!!! That way as you think of things you need you can grab them from the house. Also, get a pad of paper and a pen/pencil to write needed items down when you're camping, possibly for the whole first season. That way you have a "grocery list" and don't forget.
We have specific kitchen utinsels, towels, grill, etc we keep in the trailer. After a trip we wash all the "trailer" laundry and it gets packed to go back in the trailer (don't store the tt at our house). Only thing we remove is clothes and food. I am even keeping bottled water in the outdoor fridge now. Makes it easier to pack and unpack with it being already somewhat stocked. Beer and pop is removed since it will get nasty. I will remove it all for winter storage though.
Any questions, just ask!!!
Enjoy the new rig!!!