I don't see anything wrong with your drop shadows... The only thing I do different than you is save for web as a jpeg and change the size there; from 100% to 22% (which makes it 792 X 792). I don't resize the image after saving it as a jpeg, in other words.
But it looked good to me, in fact those pages are awesome! Maybe my drop shadows are psycho too and I never even realized it... But, I really don't think yours are.