Disagree partially. Sage Mode might be the better way to go.ya naruto can beat sasuke but, i think only by using his powers of jinjurikkiU_U
Reasons;
- Sharingan have been known to have semi-control over Kyuubi.
- Sasuke entered Naruto's mind once, and basically told the Fox to shove it.
- Sage Mode is more powerful in some ways so far.
- Sage Mode is more than just power from the Kyuubi, and Naruto, it's from the world around Naruto.