Welcome aboard. You will have tons of fun with your new Thor.
The dealer walk-through is very important. Make sure that they demonstrate every system. This will be your time to have the dealer repair any problems. There are many threads on the site covering it. It is called the PDI (Pre-Delivery Inspection).
Contact bevedfelker and get his "Thor Vegas 24.1* Checklists & Users’ Guide"
Added: HWH Kick-Down Leveler; RoadMaster Anti-sway bars; Tornado Rotary Tank Rinser; Accede Backup Sensor Kit; cylinder locks (w/one combo lock); custom sink cover; Kenwood DDX 5706S front radio; Pioneer MVH-X5560BT rear radio; Oxygenics Shower head; ScanGuage II; Blue Ox Tow Bar w/RVi Brake 2; Winegard Rayzar Automatic TV antenna; Trimark Steel door lock; Dometic 310 toilet; whatever is next.