Truck campers -- awesome, right for a family of 4?

Going the opposite direction, getting a 26 foot fifth wheel, but not even considering selling the TC. There are many places that only a truck camper will do, day trips to the beach, kayaking, fishing & several remote sites that a trailer would be out of the question. How ever 4 in a camper can get old very quickly, especially as the girls get into their teens. We did not get our TC until the kids stopped coming with us & now that the grandkitties want to tag along we are looking for something bigger.