Took delivery on our 38Q on March 1. We actually traded a single slide DP for it. After 2000 miles, my fear that I wouldn't like the torque or the lack of air ride were relaxed. Have driven over some major mountain passes. Similar floor plan in a DP was 100K more. We figured that we would "live" in it more than we would travel in it. Minor issues with a slide and levelers like you might expect with a new rig. Very satisfied. It look alike the 2015 models are almost identical to the 2014. 26000 lb chassis is pretty robust. Somewhat noisy when climbing hills but it doesn't hesitate. Model has many nice features.