Originally posted by: Baranthal
Couple of things...
In the Haku fight.. Kakashi admitted that there would have been nothing he could have done if he had been trapped by the Ice mirrors jutsu. Naruto just pounded his way out of it with Kyuubi chakra. From a overwhelming power level, I think Naruto at least and most likely Sasuke may have more raw power available to them then Kakashi.
However, that being said, skill in using his powers, Kakashi far out strips them. So he could easily beat either of them in a fight, due to his skill. But, I think the only way the fight could be stopped at this point is by someone on the level of Jiraiya.