Great skies, although I think you could lose a bit of the pure black at the top of the second one.
I don't understand the Faust reference, though.
You right about the second one, I might crop it in 4:3.
For the Murnau's faust reference, you can see this kind of mood in this film : http://youtu.be/Flnxq2HMOqA
This is just what remembered my black and white