I had a virus auto-install via IE 6 last week (my AV program caught it) which concerned me. Then, Outlook 97 inexplicably conked out yesterday. So, I thought I'd give Firefox and the associated email program, Thunderbird, a try. I've been using Firefox for a few hours and it feels like an imperfect clone of IE 6. I run a high monitor resolution so I have to use an above-average default font size. IE lets you set the relative size and uses that as the default. Firefox has a setting, but didn't tell me where I was in the relative scale (small, medium, large). It also reverted back to the default (too small) after restarting. I found, buried in the settings, a way to set a minimum font size, but I don't want a floor, I want a relative scaling. So that's a major strike against it. Or do I misunderstand? There's also a DPI setting, which has no effect. The default was 72. I chose "Custom" and came up with a 130 dpi setting. Aha, that will help my fonts. Nothing. Didn't change a thing. What gives? Is that there just to have extra knobs to twiddle? Regarding speed, I've heard it's really zippy, but if anything it feels a bit slower than IE6. Finally, also found the help to be worthless, not describing any of the features I've mentioned so far. I'm going to keep at it for a while longer, but I'm currently leaning toward returning to IE. Am I missing something? What promotes the fierce loyalty for Firefox that I see online?