[Steve]

most are totally free, some sites have popups. i have used themeworld lots of times, *recommended*

http://www.themeworld.com/
http://www.larabiefonts.com/
http://www.fontsnthings.com/
http://www.fonts.com/
http://www.sil.org/computing/fonts/
http://www.philsfonts.com/
http://www.abstractfonts.com/fonts/
http://www.fontalicious.com/
http://www.fontsanon.com/
http://www.007fonts.com/
http://www.cool-fonts.com/
http://fonts.tom7.com/
http://www.coolarchive.com/

http://www.1001freefonts.com/ - thanks Frogman*PR*