And Jayco has much better and longer bunks (I'm 6'3"). At least that's what knocked the Roo off our list.
I'm the same height. I really noticed the bunk size difference when we were shopping last year. An inch or so of bunk length can make a big difference.
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2013 Jayco Jay Feather X17Z
2015 Nissan Pathfinder
We close off the curtains during the day. When the sun starts down, we open and let the AC do it job. Not an issue. Some folks use reflectix. Will be looking at that soon.