Naruto, stop trying to save Obito, damnit. Everyone knows a good guy has to die before the protagonist unlocks SSJ2, GOSH.
10/4/04 - 8/20/07
"You are not free whose liberty is won by the rigour of other, more righteous souls. Your are merely protected. Your freedom is parasitic, you suck the honourable man dry and offer nothing in return. You who have enjoyed freedom, who have done nothing to earn it, your time has come. This time you will stand alone and fight for yourselves. Now you will pay for your freedom in the currency of honest toil and human blood."
- Inquisitor Czevak
Perfect susano'o was damn close when madara first exhibited it's potential. It cut a mountain effortlessly. Maybe with a little force he or Sasuke could do more
I agree we haven't got planet destroying potential yet. But then in DBZ we reaches probably reached that at Kaio Ken x 20 just before SSJ, given that Freiza could destroy a planet in his initial form yet was fighting Goku at 30% of his final form at that point on Namek.
Master roashi destroyed the moon, and he had a power level of about 150.
SOTSP created the moon, so that's about the upper limit of possible power in Naruto universe.