The final version of Firefox 3 is now available for download. In fact, they are attempting to set a Guinness World Record for the most downloaded software in 24 hours. People signed up in advance to receive notification about Download Day. People are posting Download Day in their blogs.
If you haven't tried version 3 yet, you're missing out on a super fast browser that has some nice upgraded features. I'm using Firefox 3 as my default browser now. I love it!