l'm also looking to move away from Chrome. Currently, I segregate it so that at least it can't access my personal data.
I've traditionally used FF, but a few years ago, it couldn't handle the large number of bookmarks I store and it was getting slow. I've been looking for fixes, but in the meantime have used Chrome.
Oh, and here's another reason to ditch Chrome (and Facebook):
Apple, Firefox tools aim to thwart online tracking by Facebook and Google