@Phoenix:
Technically it's 1 rescue arc. This is the SS arc just recycled.
Someone gets kidnapped: Rukia/Orihime
Rescue team is formed having Ichigo, Chad, Ishida: Orihime/Rukia takes Orihime's place
Ichigo has a 1st Rival: Renji/Grimmjaw
1st Rival ends ups respecting Ichigo: Renji/Grimmjaw
2nd Rival for Ichigo: Byakkyu/Ulquorria
They find an ally in the place they invade: Hanatori, Ganryu/Desert Brothers
Kidnapped victim is saved and recaptured again: Rukia on tower by Byakkyu/Orihime by Stark
Something randomly turns into a hot girl: Yourichi/Nel
Chad wins and gets owned his next fight: Guy on roof, Shunsui/afro espada, NNotoria
Aizen has a twist motive: Get the Hyoukgyo, Destroy Karakura Town
Etc., etc.
Wow, am I an idiot for not noticing that or what? Well spotted. However, if I may correct you on some things:
Grimmjaw = Grimmjow
Ulquorria = Ulquiorra
Hanatori = Hanatarou
Ganryu = Ganju
Byakkyu = Byakuya
Hyoukgyo = Hougyoku
I normally don't correct people on spelling, but I have seen a little too much on these boards that it's annoyed me a tad. Honestly no offense to you, but people (generalized) are gonna keep spelling things wrong if they're not corrected on it.
–--
But yeah, you do make some valid points. Would this mean that there's a chance that Gin and Tousen would betray Aizen (being reminiscent of when Kyouraku and Ukitake turned their blades on Yamamoto however briefly)? Surely an interesting theory to be sure. Maybe Kubo's working off of the same template for this arc's story as he was in SS Arc?