But if all this happend, that Danzo, Madara, Zetsu and the evil part of root, takes over the village. And Naruto, Sasuke, Kakashi, Tenzo, Killerbee and the other part of Konoha and the Kages and their villages` Jounins fights back.
Then I really think that Akatsuki will have to get at least 5 new members whice are at least twice as strong as the previous ones after Konoha have been won back.
Why? Well all the rest got too quickly killed ofxd
Because the bad guys would have almost nothing to stand up with against all the good guys.
I mean. Both Naruto, Sasuke, Gaara, Killerbee, and probobly some other of the good guys could have wipped any of the former member`s ass except for Pain/Pein and Itachi(not counting Konan).
No offence to the Sasori, Deidara, Hidan, Kakuzu, Orochimaru, and probobly Kisame fans
They were all strong, but not strong enough. Only Deidara lasted more than one battle(not counting the 30% chacra Kisame), and in my point of view, thats far from good enought if they were as strong as peoples and the Manga believes/says