I have a Columbus 320RS. We've had it for over 2 years as it is an early production. After a few initial bugs were worked out, we love it. It is Palomino's high line. It has numerous standard features that we really like. 100" wide; 6 sided welded frame (no wood trusses in the roof), microwave/convection oven AND a gas oven; HUGE shower (30"x 60"); LED lighting; great entertainment center; comfortable theater seating; lots of cabinet space; etc. It tows great with the Equa Flex suspension and Roto Flex hitch pin.
We looked at some Jayco fivers, but the Columbus offered more bang for the buck, and our Jayco dealer is terrible.
It's a beautiful rig and we really enjoy it.