I could care less about Ikkaku (Although his face was priceless), but I'm so happy to see Renji being a badass once again. I've been waiting for this moment a very long time.
And whats with the whole "the FBs are weak"? The woman Jackie blew off a mountain with just one kick. In the past, none were able to do that so easily. And there is still a matter about Ginjo and Tsukishima, who we know that they are not small fry.