you beat the game
For naruto, you beat b rank missions.
You must complete Fragment (the chapter after the Pain vs Sage Naruto chapter)
Never was a chapter with that.
Chapter 439 he shows up within Naruto's consciousness after his 8th tail state
Naruto is an on going manga series. A new chapter of the manga comes out every Thursday. Therefore we don't have the complete series.
Nope, not yet atleast. If you read manga there is a new Naruto chapter updated weekly at mangareader.net, you can find out what else happens there :)
Naruto finds out that the 4th Hokage is his father in chapter 440.
Naruto kills the final pain in chapter 443
Naruto chapter 511 came out on the 22nd of September.
Naruto shippuuden starts at chapter 245 in the Naruto Manga
Kabuto resurrects Itachi in naruto chapter 489. he also, resurrects Deidara, Sasori, Kakuzu and Nagato.
Chapter 299 was the first time Naruto went kyuubi.