Good, but we expect better the next time...
Suggestions:
1. Don't use pictures that differ from your drawing style, like the cg cities you used in the intro. It kinda spoils the mood.
2. If you really want your animation to rock, I suggest something very difficult, but suits your story: frame by frame. I will look way better than tweening, expecially in the battle scenes.
Just suggestions, so you don't have to follow them, but I think that your flash will look better if you do. Its up to you. Plus because this one already caught the public eye, people are expecting better from you. So keep up the good work.