Answers:
Firefox is in version 1.5 and can be downloaded at http://www.mozilla.com/firefox/
www.download.com search in it...You will be able to find and download it easily...
http://www.mozilla.com/firefox/ - click the "download" button!
The current release of Firefox is 1.5 (although there are 1.6 nightly builds) you can download here:
http://www.mozilla.com/firefox/