We have the rear Entertainment mid bunk, the 371 REBH, Don't regret the purchase in the least, we did have to get some things fixed under warranty, but I think that is pretty much common for any brand anymore. We have dual air on the unit, in the summer here in Arkansas (temps are much like central florida, we lived there for 5 years, and in the Mississippi River Delta here we have high humidity also) we have to leave the bedroom doors open and se the air in the bedroom down to the low 60s to keep it running or the main part of the coach heats up to low 80s during the day. But with doors open temp stays around 72 in the coach and is very comfortable. Out second choice unit was a front living Sierra and it is still our second choice with no regrets for not getting it.
2016 F350 4X4 CCDually Lariat with 6.7L and 3.73 gears
2016 Sierra 371 REBH
2015 Xpress H20PFC w/ Yamaha SHO 150
Days Camped: 2013-8 2014-16 2015-38 2016-86 2017-64, 2018-6 and counting