I loved the friendship Naruto and Sasuke shared as little children (before the acadamy) they actually seemed to not hate each other back then. As they grew older I still loved their "friendship" and you could clearly see Sasuke didn't fully hate Naruto. Yes, he got annoyed (he's duckbutt.. of course he'll get annoyed) but even though Naruto annoyed him, they still shared a bond that not even they could see :x3: I still await the day Naruto brings Sasuke back where his tooshy belongs, konohagakure~
1.) Naruto and Sakura, they are great together (watch that develop into something more in a couple chapters ;])
2.)Kakashi and Gai, these two clowns are hilarious, I mean, that race was epic!
3.) a tie between Naruto and Gaara or Naruto and Shikamaru.
I'd say that it's Sasuke and Naruto during Part I but Nagato and Yahiko during Part II and this is perhaps for the overall series. However, the recent chapters that indicate Naruto is teaming up with Sasuke also suggest that perhaps these 2 will become friends again.