I can only speak of my Montana. Bought new July 2007. Had a minor wiring problem corrected after about 3 weeks. Still have the trailer and it has never been back for any repairs.
The convection/microwave did fail after about 3 years. Replaced it myself. No name DVD/sound system failed after about 4 years. I replaced that with a Panasonic Blu-ray DVD/surround sound system. Replaced the Chinese tires with Michelin XPS Ribs even though I had no problems with the original tires. No problems with the trailer itself.
Could not be happier with it.
