I Love Typography, devoted to fonts, typefaces and all things typographical.

Free font directory

UrbanFonts features an amazing collection of free fonts, premium fonts and free dingbats.

Fawnt is a font resource for designers, developers, and anyone that appreciates the web's highest quality fonts.

sIFR is meant to replace short passages of plain browser text with text rendered in your typeface of choice, regardless of whether or not your users have that font installed on their systems. It accomplishes this by using a combination of javascript, CSS, and Flash

a practical guide to web typography