I've got a 33' Land Yacht too, It handles pretty good, but I think it could be better.
So I ordered new Bilstein shocks, Bilstein stearing dampener, and heavy sway bar. I'm going to have them installed next week, I'll let you know how much difference they make.
I got the shocks from eshocks.com, and the sway bar from truckpreformance.com.
When I got my rig last fall I had new oem shocks installed, new tires, and idler arms. That helped alot, but I'm hoping the Bilsteins will be even better.
Another major upgrade is installing headers, they made real big difference in performance, runs better, cooler, pulls better, and gets better milage too. So if you have the original cast iron manifolds you might want to check into those too. I put on the Banks system, but I understand that the Gibsons Camping World sells/intalls are good too.
93 Land Yacht (The Minnow)