The Scriptorium -Looking for cool fonts with a Celtic, Gothic, Renaissance, Wild West, Fantasy or Psychedelic theme? Make The Scriptorium your first stop. You can download demo versions (Windows or Mac) for most of the fonts at Fontcraft. The demos are free but usually don't include numbers or punctuation. If you like a font you can purchase the full version at a very readable price.
Larabie Fonts - Theyre all free for commercial use and some have extended Deluxe families for sale.
Fonts in CyberSpace - A guide to finding language fonts on the Internet. Containing more than 408 sources for 124 languages.
AcidFonts - Unusual fonts and dingbats, utilities, help, mailing list and more. Be warned that there are several popups on this site.The quality of fonts is worth the wait. For Mac and PC
Font Freak - The largest free-/shareware font archive on the net. The page keeps on growing and growing and now have fonts from over 300 different authors. For Mac and PC.