This was a very impressive animation.
I have a couple of minor complaints about the animation, though. The animation seemed quite stiff, almost as if most of the cartoon was just still images, which it isn't.
I just kind of wished the animation flowed more, and gave more of a sense of life in these characters, despite the fact that these are Mega-Man X characters.
But other than those very minor flaws in the animation department, this excels in music, voice-acting, (depending if that's original or from one of the games) and theme.
I, myself, am not very familiar with the Mega-Man franchise, as I have not played very many Mega-Man games, and I have never played any the Mega-Man X games, so I'm kinda in the dark with this one.
A fantastic Mega-Man cartoon all-around that actually isn't a parody, huh, now that's rare.
Great job, mate!