King,
I am very impressed not only with the build, but the gracious time you spent documenting it.  I am very interested in installing something similar to your window / awning (I just don’t have 1300 bucks laying around for a window), and I was wondering if you had more info on the window itself, prep for the wall (other than just wood framing?), etc.
It appeared that the window framing was flush with the exterior, with the window inset a bit, but now with the awning it appears that the window frame has been trimmed in aluminum. 
I understand that you can’t spell out every nut and bolt you put in, but either I missed a few steps, or am too old and dumb to follow 🙂