For over 40yrs of camping we've had truck campers, class C, travel trailers and now our 5er. Each one had a place and time as the correct unit. 5yrs ago we had a popup truck camper for one trip, 13,000 miles to Alaska. Once again the perfect unit for us on that trip.
We now prefer the 5er with 3 slides as we spend 3-4 months snow birding in Florida. I've pulled a S-10 and a 16' alum boat behind the class C, and a alum boat behind both the TT and the 5er. I prefer the 5er for ease of hookup and towing. The basement and a tray on the back make up for the space in the truck with a TT. It just fits what we want to do at this point in life.