The WC Sterling series can have 6 point leveling ordered as an option. My dealer ordered a bunch in as they are such a great option. It takes less time to set up now with my 32RL than when I had the popup.
2004 Ford F550 6l Lariat SuperCrew, Fontaine Bed,
Link Systems Air Ride
2011 Sterling 32RL with Michelin XPS tires