raphael: Of course you can watch mkv on Macs, just use mplayer. Trivial stuff.
Good start into the show! I hope that Kumiko will turn out to be a worthy rival, even though she has no chance (the triangle is obviously fake, Tenko is the designated girl).
So let's hope that she's more a FSN-Rin than a Suzuka-Honoka, and we're gonna be in for some good fun