I love firefox, mostly because of the pentadactyl extension(not compatible with firefox 35, sadly) but it has a huge number of problems. Namely, it crashes far too often. It's extremely frustrating, and no number of bug reports I fill out or new releases ever seems to address the problem. I'm thinking of trying to find a better productivity extension, or go back to emacs type shortcuts with chrome or safari.

Of course, maybe the grass is always greener on the other side. I left chrome a few years ago because I had an linux install where any non-trivial js would cause the computer to lock up.