For me Firebug is crapping out all the time even when it's off -- I regularly see the "This script is stalled" dialog from it. Firefox is pretty useless to me

For me Firebug is crapping out all the time even when it's off -- I regularly see the "This script is stalled" dialog from it. Firefox is pretty useless to me without firebug -- extensions can't be disabled/enabled without restarting, and it seems impossible for any nontrivial extension to noop itself because of the event handling nonsense. I really don't want to have to always be using multiple profiles, but it might come to that.