We have a 2000 adventurer and are very happy with it. Hubby added overhead lights in the kitchen above the sink because the ceiling lights just are not enough. Other than that it was perfect from the get go. (OK...we added an inverter...and a wizard to charge/monitor the house batteries.)
As far as rolling down the road, it's solid.
One small thing... mice get in from the front around the brake and gas pedals so you might want to set traps there when you're parked. Other than that...it's tight.
we have an 03 adventurer...bought it new in 03..have 60xxx miles on it...we have the 8.1 chevy engine;; not too much trouble with the unit (KNOCK ON WOOD) it has been a good unit...if you have any questions please PM me and i will try to answer them......good luck