Would healthy Kimimaro have been an akatsuki level shinobi and if so, where would you rank him among the akatsuki? We know he beat kid Gaara, kid Naruto and kid Lee without much issue, but we never saw his true power. I, personally, think he would have been akatsuki-level. As for my rankings:
1. Tobi
2. Pein
3. Itachi
4. Kisame
5. Sasori
6. Kimimaro
7. Konan
8. Deidara
9. Kakuzu
10. Hidan
11. Zetsu
1. Tobi
2. Pein
3. Itachi
4. Kisame
5. Sasori
6. Kimimaro
7. Konan
8. Deidara
9. Kakuzu
10. Hidan
11. Zetsu