See Aizen turn into a pretty butterfly here: http://mangastream.com/read/bleach/29570862/1
Can we PLEASE go back to Hueco Mundo now, or at least see all the people you left there? We'd like some answers before everyone goes hurtling off to SS, okay.
Oh, and about the Gin/Ran/Kira reunion that we didn't get? I'll forgive you but only because I have a feeling when they meet again, Gin will die. And it's still too soon for that.