I custom ordered a Gulf Stream Innsbruck in 2007, so I have some feedback. Before I go in to it, though, there is an Innsbruck Lite version of this floor plan -
http://gulfstreamrvtrailers.com/conquest-lite/floorplans.php#259BHI had to have a few warranty repairs. This is where having a real dealer comes in to play. In my 36FRS park trailer (the RV type is now known as "destination trailers"), there was no heat in the front bedroom. Gulf Stream authorized my dealer to pull another run from the furnace and cut another hole in the floor vs actually fix the problem. The main electrical feed for the camper was loose and my dealer fixed that under warranty. The frame around the master bedroom slide was not done properly and my dealer caught that in his inspection and fixed it before I took possession.
There were a number fit and finish issues with my camper as well. One thing I didn't notice in my PDI is that the trim around the night stands in the master bedroom is white on one side of the bed and brown on the other. This is just sloppy.
The cabinets are cheap as well.
I am looking at replacing this camper this season and will look at other brands before looking at Gulf Stream again. My awesome Gulf Stream dealer has added Forest River lines to his sales, so I may look into what is available there. I have a Puma by Forest River (yes, I have 3 campers) and there are some areas in which the quality is better than the Gulf Stream.
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1999 American Cruiser Class B
2006 Palomino Puma 27FQ Bunkhouse
2007 Gulfstream Innsbruck 36FRS Park Trailer