Naruto is just a cheezy ass soap-opera. At first I thought this "bond" thing that Naruto and Sasuke share is a japanese thing but I haven't seen it in DB or OP or any other anime for that matter so I guess it's just an asspull from Kishi to have a reason for Naruto to chase after Sasuke.hmm that's a bit condescending don't you think?
i've only been through half of one piece once so i'm not in a position to compare and contrast really. but from what i've seen, while i've noticed many different meanings in OP so far, imo naruto delves into them more deeply. yeah you get a lot of rl situations in OP as opposed to Naruto, but on the whole i think Naruto's story revolves around key values more than OP does. that's just my personal opinion.
Honour, protecting your friends and bonds no matter what, the importance of not giving up, the strengths of love over hate, the dangers of vengeance, sacrifice, these are all explored very deeply in Naruto and these are essentially lessons you can pick out straight from the manga and apply to real life. You know what they say, the greatest lessons are often the simplest ones.
Atleast in One Piece I can feel why Luffy and the rest are doing all those ridiculous things for their Nakama. What Straw Hats did for Robin was probably most epic and touching moment in anime history.