If this is one your first attempts at animating then you're going to do some seriously good things later down the line. I'm willing to bet on it.
The reason I say this is that you've really honed in on some vital effects that really make up a quality animation. Rushing effects, difficult angles, shaking effects, and other pieces here and there that are essential to creating any animation that requires movement. This sort of grasp on movement and animating usually takes a little while for a new animator to pick up. I personally suck at it.
It would have been nice to see a little more frame by frame work from yourself. The characters and sketches felt rooted into place and made the animation feel more like an interactive comic book than a fight scene.
The only advice I can offer is to keep going. Make mistakes and learn from them. You've avoided the normal path of making shitty stick figure fights like most flash artists do at their beginnings and have created something that shows that you have some real talent lurking within.
I won't be surprised if I see you owning the weekly awards one day. Keep it up.