The official launch day may still be tomorrow, but those not willing to wait can now grab the final version of Firefox 4 for Windows, Mac OS X or Linux straight from Mozilla's FTP server. That follows a last minute RC2 revision that was just released on Saturday, which has presumably been all but unchanged for the now final version. Hit up the appropriate link below to start downloading -- just try to act a little bit surprised if anyone tells you about it tomorrow.[Thanks to everyone who sent this in]