Quote Originally Posted by hanspetersen View Post
Hey, I don't know for sure if it will work with iTunes, but there's a handy little application called AppDelete that will delete all those library and preference files for you automatically when you want to get rid of an app. I found it on freemacware.com and it's been really easy; you just keep its icon in your dock and drag an app icon into it to delete the app.
-hans

Really good advice hanspetersen

I will recommand using it from now on