I am currently visiting my sister and brother in law in Payson Az. I now have about 20,000 on my motorhome, and haven't really had any of the stray parts, or the leaning that you discuss. I did notice that the bumper is slanted about an inch, but that seems to be a bumper to frame problem, and I haven't really addressed it yet, because it hasn't caused any problem driving or sitting. Overall, I have been pretty satisfied with the performance of the unit going to Colorado Springs, and Payson. I went over Raton Pass at 70mph in cruise (smiling greatly). My mileage has been about 10+ mpg, but I have been driving 70-75 mph. The quality of ride has been good, considering the size and weight.
One thing that I would advise is to pay attention to tire balance, and rotation. I did not. I have reconciled that since I waited until I had 17K miles, I have to live with balance and cupping problems until I replace the tires completely in about a year.
More to follow when I return at the end of the week.