Could One Billion Users be Wrong?

So, Firefox is supposed to hit it’s one billionth dowload sometime today:

http://www.pcworld.com/article/169384/firefox_to_hit_1_billion_downloads_friday.html?tk=rss_news

Apparently, if I want to post the HBO Poll thingie while DFO’s gone, I’m going to need Firefox. But I’m an Explorer gal. It’s been good to me, and I don’t know if I can expand my mind to embrace Firefox

What say you? Which browser do you use?