Don't get the regular beta, get the one with Tab Candy built in: http://ftp.mozilla.org/pub/mozilla.org/firefox/tryserver-builds/edward.lee@engineering.uiuc.edu

Don't get the regular beta, get the one with Tab Candy built in: http://ftp.mozilla.org/pub/mozilla.org/firefox/tryserver-builds/edward.lee@engineering.uiuc.edu-f193f519573b/ http://ftp.mozilla.org/pub/mozilla.org/firefox/tryserver-bui... . It's definitely my favorite (and most used) feature in FF 4.