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The photo is great, well done. As for sharpness at f1.4, I wouldn't say mine is tack sharp at 1.4 either. However, the ability to render such shallow DOF has the add on effect of making the in focus areas look sharper.
My question to you, would you not be happy presenting this image to a client? I sure as hell would!
I also agree with the focus micro adjust. When working at such shallow DOF it might be that the focus plane is not quite where you think it should be, i.e on the eyes completely. Looking at your shot the lips look very sharp and the eyes are usually just behind the plane of the lips so it could mean that you just need to tweak the focus on your cam.
On my D4 I would say I am getting comparable results with my 85 f1.4 but it's hard to tell for sure without a 100% crop. Plus, I would expect the D800e to be sharper of course.
Post up a 100% crop if you can.