As far as I'm concerned..

As far as i'm concerned, Bleach isn't Bleach without Aizen. The best chapters of this arc were probably the flashbacks which featured Aizen. 

I know many of you didn't like him or thought he was overpowered.. well at least he was overpowered with STYLE, unlike the dozens of new OP Characters who are (with a few exceptions) fairly forgettable. 

Aizen is and will always be my favorite character of Bleach, easily in my top 5 favorite characters out of ANY series. I loved that he was overpowered, I loved that he was a complete asshole. Sure looking back he could have been written a lot better, there are dozens of plot holes and things that he has done that hadn't always made sense, but regardless the good out weighs the bad. 

Bring back Aizen, I want him as the main villain again. Have him fight Juhabach, make it a good fight, but have him win. 

I know a lot of you will likely comment arguing with this opinion, but I can't help but feel this way despite how unlikely I know it will be for it to ever happen. 

Aizen was cool. Period. Even Butterflyzen, because at least I actually understood Kubo's reasoning behind it.