Anyone have experience with 5th wheel campers?

Been looking at all them and are completely blitzed. So may makes, models, submodels,floor plans, etc. We have it narrowed down to a couple - but it looks like they're all the same?

I'm finding out that all the brands are owned by Thor Industries -- but the dealers all say shit about the others (Forest River bashes Heartland, Heartland bashes Jayco, Jayco bashes Heartland and Forest River, etc).