I'll start I guess. Besides the OEM kit list, here goes...
CHASSIS
- 4 x Air Lift LoadLifter 5000 air springs with remote compressor
- 6 x new tires (Michelin XRV 235/80 22.5)
- Anti-sway bar (already installed)
POWER
- Magnum MS2812 2800W inverter
- Magnum ME-RC50 remote panel
- Magnum auto-generator start
- 3 x Samlex 150W solar panels with controller
- 4 x Lifeline GPL-6CT 300 Ah AGM batteries
- All interior bulbs replaced with LED
ENTERTAINMENT
- Winegard Trav'ler SK-SWM3 for DirecTV
- DirecTV Genie HD DVR + 2 Wireless Mini Genies
- Pioneer DEH-X6700BS audio deck with XM & Bluetooth
GADGETS
- TireTraker tire pressure monitoring system
- KDLinks X1 dashboard camera
- Garmin RV 760LMT GPS
OTHER
- A&E Large Xtend-a-room
- 2 x Condor Pit-Stop motorcycle chocks
- 4 year/37,000 mile extended warranty
- Assorted minor items (ie. Oxygenics shower head, cockpit consoles, telescoping ladder, pet yard railing for patio)
And lots of first-timer odds and ends. Most of this stuff comes as the result of the priceless information provided by those in these forums. Thanks, both seriously... and sarcastically!