You still refuse to identify what "personal information" you think Google is collecting. I have to assume you're referring to cookies associated with Google searches (which do not tell Google anything personal that you don't reveal in your searches). But you *can* configure Firefox to block that cookie, and Iceweasel and Konqueror don't block cookies by default, so they are no better.
I don't know why you single Mozilla out, but it's irrational.