I've cosplayed from both and enjoy both; but I was on the "Bleach Side" last year as Orihime during the Saturday shoot, and I will most likely be on the Bleach side this year as most of the cosplays I'm bringing are Bleach.
So, I've got Resurrecion Apache, Cirucci Thunderwitch, Orihime (Shojo S, Leekspin, Shinigami and Hueco Mundo), Senna and also Unohana Retsu that I'm bringing to con.
My group is also a huge knot of Bleach people, with Resurrecion Ulquiorra, Full Hollow Ichigo, Hiyori and Shinji (with full masks), and Ishida to name a few of their cosplays. I'm sure they'd love to