We purchased ours in April so not a lot of time on the clock yet. Have had 2 issues - first was the driver's side slide broke. Our dealer (Colrain RV in Indianapolis) fixed it for us. Second was the awning started to pull away from the trailer which again the dealer took care of for us promptly. We just returned from our furthest trip over Labor Day (180 miles one-way). Pulls great and no other issues. We leave for Topsail this Friday.
It was mentioned in this thread to make sure you have a good dealer. I wholeheartedly agree. GD's customer service is second to none but the dealer, in my opinion, is just as important. We have dealt with Colrain RV for a number of years and have always been satisfied.
Good luck on your search!