Well for anyone that doesn't already know or hasn't yet discovered this website.
You can read all the manga their is on this site and ecspecially Naruto-Naruto:Shippouden.
This website updates the database of nearly every single manga out there.
The newest chapters of these manga are add when they come out every week even Naruto the manga.
Note:Naruto Manga series follows up with Naruto:Shippouden.
The Website is:
Http://WWW.OneManga.com/Naruto
I hope this helps fellow fans of naruto
PS that is not an advertisement as it is not my website (wish it was)