I saw one reaction that said something about Mirrorcle World's lyrics being more ~emotional~ than usual thanks to the simplified arrangements. I dunno for sure though. Probably a lot more detailed reviews on mixi~
The second show just ended, it seems? (It started about 2-3 hours earlier than yesterday.)
Some photos:
http://twitpic.com/4unhwj
http://twitpic.com/4uxe26
http://twitpic.com/4uh0kq
http://twitpic.com/4unhwj
http://photozou.jp/photo/show/1273486/79155881