I wonder how much had Aizen planned since the beginning xD
..I was just thinking that in the end, maybe Aizen will get what he wanted througout the whole series. But instead killing, he will become the soul king himself. (God, you gotta love him).
I really enjoy the fact everyone in the Bleach fandom loves Aizen now, yet back 5 years ago when he was trolling most of the main characters of the series he was the most hated villain. I guess trolling is just a natural part of Bleach, and it didn't feel the same without Aizen.