I picked up this pattern several days ago, and have been completely obsessed with it. I've got approximately 14,679,435 other projects in the queue, but this one had to be sewn.
As far as fit goes, I sewed a size 10 in front and a 12 for the back and yoke, which fits quite well. (ETA: This is my way of doing a cheater broad back adjustment.) I did not need an FBA, but the cut is generous and the bias cut gives a bit of wiggle room there. I did shorten it by 2 inches as I plan to wear it untucked. Overall, I'm very happy and will definitely be making it again. We'll just add that to the list... First I have some bellbottoms to make!