Tim Petterson wrote a review of MSR Backcountry Barn on October 4, 2011
The tent is really poorly designed. The poles on top are sticking out as such that if you are entering the tent at night, you may get the end of the pole in your eye (height at around 5.3-5.5").
The floor is not fixed, so there is a lot of wind coming in from all sides. Also I don't think the single layer design is best-in-class.