THIS. I do remember outright revelations in user experience, as I showed people how much better Firefox 2.0 was, compared to IE6 (and looking back, version 2.0

THIS. I do remember outright revelations in user experience, as I showed people how much better Firefox 2.0 was, compared to IE6 (and looking back, version 2.0 wasn't all that wonderful, from present point of view - tells you more about IE than about FF). edit: it was 2.0, I misremembered.