One more consideration. The RV industry is rapidly moving toward composite cored construction. FWC may or may not be headed in that direction in the future? It's good stuff, lite and even potentially stronger. I remember when folks said you could not build a large boat hull from glass, that it could never be strong enough. The same comments were made later with boat spars and rigging systems. Technology marches on when it converges with price-point. IF they ever do, future models will have much the same outward appearance as the glass. If so, will glass appear newer, longer? Better re-sale? Who knows,.. Just a thought.
I have metal sides with no issues or problems. This one is a toss up. If you have a few extra bucks and it pleases your eye,.. get the glass.
"cowboy pinstripes",... I LIKE IT!!!