I had a bunch of tabs open from this morning's scan that I had intended on reading and sharing. However, Firefox froze up and I forgot to restore my session. Firefox had been performing poorly for a while, including an stubborn inability to inspect CSS with Firebug. So, I decided to take the time to backup my bookmarks and uninstall (completely) and reinstall firefox. I've opted to only install two add-ons in the name of performance: web developer toolbar and firebug. Firebug works fine, so hopefully other problems with stability are a thing of the past as well.