You goin CAMPING OR GLAMPING!
Camping meaning you are outside virtually all the time cooking, talking, walking and having fun. GLAMPING means it's all about the trailer and comfort sitting inside at a RV campground plugged in doing the same damn thing you can do at home.
If Camping is your style then all you really might like is an indoor place to sleep and a small
fiberglass trailer does that perfectly when pulled behind your current camper van. The small trailer will also help solve the loading and unloading issues you speak about.
If Glamping is your style then git ready to sell the van, buy a bigger truck and spend a LOT OF MONEY and WAIT A LONGTIME on a nice large
fiberglass trailer. Then start gitting your RV campground reservations 6 months before you git your trailer so you will have some place to go and Glamp when your new trailer arrives.
Just remember there is NO PERFECT RV TRAILER for anyone!
YOU need to decide UPFRONT what's most important to YOU as YOU move forward with any changes in YOUR outdoor lifestyle before YOU make any type of trailer decision. Once you have figured out what your outdoor lifestyle will be in the future and if it involves a trailer I suggest you rent a trailer first and see how that works out for you before you buy or sell anything.