Yeah, when Orochimaru returned in the manga, it led to really mixed reception. A lot of people were upset, but other people were hoping that he would beat up Sasuke or something. :P I was indifferent, personally.
Random quote (changes once in a while)
"I have sacrificed much to achieve peace. So too must a new generation sacrifice to maintain that peace. Responsibility! Duty! Honour! These are not mere virtues to which we must aspire! They are essential to every soldier, to every king!"
- Odin, Thor