Where to start...? (SPOILERS)
I have also been waiting for this for a very long time, and up until now my favorite of this series has been part 3, because the music and the plot flowed together so well. I have since bought both the Braveheart and the LotR soundtracks, but the piece of music that plays while Toad is telling Mario what happened to the kingdom is on neither of them. Am I right in assuming it's a piece that came from Flashkit, then? Please reply, I'd like to know exactly how I can get it :)
This, however, blew me away. I am glad you ended your story as you wanted to, rather than as the cliche happy ending many of us are used to seeing. (Spoilers ahead) I was shocked when the Princess died, and even more shocked to see Mario die like that. And then the movie ended so abruptly... It was a very plain message: "It's over. It's all over." (Spoilers done)
In short...well done. Very, very well done.