We purchased this Toy Hauler brand new in June of 2020. It has every upgrade available at that time, except full body paint and dual pane windows. The upgrades include:

Onan 5500 onboard generator, 3rd air conditioner, Heat pumps installed on two of the air conditioners for heating the RV, Rear deck with power awning, Happy Jack electric bunk system with folding sofas, Rockford Fosgate Stage Tow Stereo upgrade-900 Watts, interior, and exterior speakers with additional exterior subwoofer, Solar package with 2000-watt inverter, Gen II 3 season sliding patio doors, King Size Bed
Four TVs; bedroom, family, garage, and outdoors

In addition to these upgrades, we added the following convenience items that are included in the price:

Splendide stackable/vented washer and dryer, Keyless RV locks on both entry doors and both storage compartment doors. These locks are controlled with a 4-digit code or a key fob, Water pressure regulator mounted in heated nautilus bayPepwave wi-fi router that uses SD card from cellular provider with exterior antenna mounted on roof, Marcel temperature monitoring system that sends you a text message when your interior temperature gets out of range. Requires annual subscription, Wheel covers, Reese 27K fifth wheel hitch, fifth wheel pin lock, Gas Stop valves on both propane tanks- shuts propane off if leak is detected, Quick disconnect set up for BBQOxygenics shower head in master shower, Multiple extra shelves add in cabinets to improve storage space, Surge Guard electrical management systemCooling fans installed on refrigerator inside and out to improve cooling capability, Two AGM 250-amp hour batteries, Roll-up carpet for garage, 40 Inch Samsung Smart TV in bedroom (replaced a 32-inch non-Smart TV), Soft close toilet lids, Two Max Air Deluxe Fans. One in each bathroom. These fans are reversable and have 10 speeds, and are operated with remote control, Quick shut-off valves installed on both toiletsDish Network Satellite dish installed on roof, includes two Wally receivers, Custom made king mattress, Refrigerator/freezer temperature monitors, New theatre seats, Rear observation camera mounted, Garmin RV specific GPS, RV Airflow system installed in all 3 air conditioners, RV Snap Pads on all leveling jacks, Mopeka Propane Monitoring System. You can check your propane status from your phone, Valtera Valves on both flush lines that prevents sewage accidents, completely replumbed the RV replacing all plastic connections with brass