Here's a article by Valerie Potter on why she prefers using the mozilla firefox browser over internet explorer - and why?
Her verdict - Sure, Firefox occasionally has its little glitches. It's only 1.0.x software, after all. Doesn't matter to me; I'm willing to put up with a few bugs for the browser I love.
Here's the article. As for me, right now i am lavishing in my office running firefox off my USB drive. For more information, look at Portable mozilla firefox.