I'm still using Firefox 3.somethingoranother. It rarely dies on me. Maybe go back to an older version? The only problem I have is with the Flashplayer crashing every so often. It's annoying but not so annoying that I'm pulling my hair out over it or anything.
Oh, and ESPN is a nightmare for me too, but like you said above, I think that has to do with that site being a total clusterfuck than anything being wrong with FF.
Edited by Random (05/10/11 04:24 PM)
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