1. One Piece

the rest are all 10 in no particular order

GTO
HxH
Slam Dunk
Death Note
Code Geass
Hikaru No Go
Kenshin
Initial D
FMA

There are so many others that I can't think of.

Dragon Ball, Captain Tsubasa, and Saint Seiya were my favorites as a kid. Ahh the memories.

hehehe. One Piece. Smiling! Hehehe

How can you recommend someone to watch naruto?
It is utter GOMI!

Watch One Piece, Hunter x Hunter, GTO, Kenshing..... anything...

Ok, sorry, Naruto is good....Naruto Shippudden Blows.