So far this is the best Touhou based anime I've seen. It's got 2 awesome battles and lots of anime girls with magical powers. Final battle resulted in an enormous explosion (think DBZ battles). That was epic. Just before the opponent was defeated, she made a great understatement and said "I let my guard down, it seems." just before all the magical laser beams hit her (resulting in a massive explosion). That was one of the awesomest battles I ever saw in any anime, only topped by stuff in DBZ.
An interesting thing to note. This anime was done like a "silent film". The creators of it did no voices for the characters. Talking was done through Japanese-language subtitles. Then later some Japanese fans of this made their own fandub (yes I said DUB) so the characters now had voices. Also an English fansub has since been released so we English speakers could finally understand what was going on.
All in all, a GREAT ANIME!!!!! You should see it. I recommend it 5 out of 5 stars!