aaarrrrgghhh!!!! this is getting hectic..everyone's opinions are really good and could almost possibly be the story line for this arc..i'm going for isshin is one of the special task force..coz it would be a good reason for him to hide his powers from ichigo..to protect sumthing..and mayb ichigo is the key so aizen's real intention is for him to come to HC...AARRRGHHHH!!! if only KT could answer all this bt it will surely ruin every reason to read it every week;p