Just downloaded it. 6.99MB later for Win32 version for UK English.
Argh! The build number for Gecko is exactly the same as Release Candidate 2 which I have been using for a few weeks now. Around 5.3% of visitor to this blog so far this month has been Firefox 3 users so I guess it is already in wildspread. After all it is a much better browser than Firefox 2 -- in almost all aspects (except some of my own apps that reads cookies.txt are no longer working as FF moved everything to SQLite DB).