[Pistos2]

It is a cohesive piece of work; they care about appearances (compare default look of Firefox and Opera -- world of difference); it has nearly all of what I need out of a browser (only thing missing is Firebug); it allows MDI (child windows); little usability nice-ities that they introduced first (mouse gestures; active use of keyboard to browse, if you want; fit to width; page zooming (not just font size); integrated password manager; ...)

Firefox has always looked and felt like a patchwork of open source contributions and an uncohesive soup of extensions. I love open source. I write open source. I want open source to succeed. But Firefox is not there yet for me, and if the past few years are any indication, it'll be years more until it might be. It's still just second best.