While looking around on mozillaZine Firefox Builds board earlier tonight I came across the thread, What’s the release date for 2.0 final?. Someone had posted a blog entry from Asa Dotzler:
“firefox 2, yes, tuesday
Lots of folks have been sending me emails asking if the Tuesday release reported at various places is accurate. Yes. Unless something unexpected happens, we’ll be shipping Firefox 2 on Tuesday.” — Asa Dotzler – Firefox and more
The Firefox Extension Guru's Blog 
[…] As I mentioned here and even here, it looks good for Firefox 2 to be released this coming Tuesday (October 24th). Now I am sure many folks are wondering ‘How do I upgrade to Firefox 2?’ Well, like Microsoft and IE7, the auto-update won’t be until sometime in November or may be even December. […]