Another good series ends. Seriously now, if it weren't for the stupid names the attacks had and that dreadful episode 19 which in my opinion could have been used allot better the whole series could have been better.
Why did I like it? It had nice mechas that reminded me of the original Shin Getter Robo series(the multiple combinations), It had a descent/gradual character development(the main ones at least) and despite a few episodes that really needed better work the whole story developed nicely(it could have been better!).
The strongest point of the series was the music. Both of the theme songs are good as well as the usage of it.
As a closing statement I have to say this: If you plan to start waching the series now do it with an open mind and don't start comparing it to other series. Once you finish it you are either going to love it or hate it. It's too hard to be in a middle path with this one.