Having finished re-watching Eureka seveN, I'm still amazed by how good the whole series is. Even knowing how everything is going to turn out, it still grips me. I... can... fly! is still as awesome now as it was back then. The only difference is that once the new Nirvash takes off, it looks so silly that the whole magic is disrupted.
Yet, there are some really annoying things, like episode 39, which sucks not because it is about soccer or it feels pointless, but because it's so shitty animation wise. Same for the third opening, bones should have just done a new one because it sucks.
I had to wait many years for this to finally come out here, and spent almost 200€ to buy the 4 box-sets, but it was totally worth it.