Emigre Web Fonts
Emigre’s font library is now available as web fonts that you can self-host (providing you take some protective measures with .htaccess). That means Mrs. Eaves is available for the screen. W00t!
Related links
FFFFALLBACK - A simple tool for bulletproof web typography.
A useful bookmarklet that suggests font stacks to match up with the web fonts on whatever page you happen to be viewing.
Lost World's Fairs
Lovely typographic showcases from Stan and friends.
Webtype
The newest web fonts delivery service is a collaboration between five foundries: The Font Bureau, Ascender, Roger Black, Petr van Blokland and DevBridge.
Fontspring | Fonts, fonts and more fonts
A store of fonts for sale, many of which have licenses that allow you to use them with @font-face.