The opening may not be note-perfect, but I think you doubt too much - the energy is palpable, the character is immediate, the texture is clear, in short it's terrific. Is this a live concert performance? if so, missed notes are totallye xcusable.
I find your tempo interesting, I wouldn't call it stable, yet I wouldn't call it unstable either. It reminds me of something written by a contemporary of Beethoven about him, "He seemed to play every bar in a different tempo..." not that you do that, but I would say you have a more poetic approcah to tempo then strict. Sometimes though it barrels ahead too much and it could be held back.
I think you start the last page too fsat, it isn't the same tempo as before, at least the tempo seems unrelated. The climax is awesome!
Bravo!
Walter Ramsey