Debian Mozilla and apt-pinning are worth studying, but read also The Firefox Lover's Mega Thread. And consider using Google Chrome or Chromium also. When you know, what you need and what you want (not necessarily the same), you are free to choose your treat.
Hi!I've been using linux for around 8 years (mostly ubuntu). Recently I've been using windows just because I got a new computer and I didn't feel like installing a new OS since windows was working fine.