I just got this coat (black one) delivered yesterday. I cannot comment on the warmth since it's spring and I live in Texas; I bought it because I'm moving to Chicago.
I read all the reviews and I think a word about the fit and fashion of the coat is useful. I am 5'3'' and 109 lbs, so thin person here. I ordered an XS. The lenght is fine, to my midcalf (much longer than in the picture). Shoulders and sleeves fit very well. Like other users say, sleeves are long but that may actually be useful. They are not too wide, just enough space to wear sweaters under the coat.
Now, the body of the coat is quite wide if you are slender. I could probably wear 5 sweaters and still not have it fit. So, as a result, it does look like a sleeping bag 100% (again, on a small body). Not ugly, but not fashionable at all.
That said, it is very good quality The hood is extremely good. It fits well and covers so much of your face that it will be hard to get cold. It is very well made and the fabrics are good quality. The buttons are indeed annoying being so shiny, but that is a minor thing. It looks like it will last many years.
Bottom line: I may keep it because my pocket cannot afford what my vanity dictates, and because I would rather die of un-fashionness than of cold.