I have a 2012 RLSS, and I love it. No complaints, everything still works like the 1st day, no leaks from the roof, no plumbing issues. Siding is a breeze to clean. The only (re)works I've done on it is to apply some more Dicor to the roof (I'm anal about proper sealing jobs), and I replaced the cheap, galvanized metal electrical box that is located next to the A-frame by a sealed plastic box.
In 1 1/2 seasons, over 4000 miles on the frame, not a single hick-up.
John, DW and 4 kids.
2013 Kodiak 263RLSL
2010 GMC Sierra 1500 Hybrid