I agree with Foo and others that the sleeves look like they need to be rotated a touch. As for the button stance--it looks high in the pics, but they're rather low-angle. This tends to distort button stance, IME.
Looks like it will turn out nicely when he's finished with the tweaks, but I still can't say it's won a convert to the structured silhouette or strong shoulders. I have been for awhile and remain partial to a much softer look.