I think the quality is pretty much like all the other major brands in this price range. We had a bunch of problems during the first year, but it has settled down now. The quality is pretty much what I expected. A lot depends on your dealer and how he treats you and will go to bat for you if needed. Ours was very good in the beginning, then "stunk" at the end of the warranty period because they made some internal changes to their personnel. Keystone did OK on our claims, although they were slow.
We really like it now after we have gotten the wrinkles out and I have made quite a few custom modifications.