http://www.fontsquirrel.com/fontface
http://www.google.com/webfonts
http://www.youthedesigner.com/2010/04/06/free-web-2-0-fonts
etc.
TypeKit
http://typekit.com
http://blog.typekit.com
http://mashable.com/2010/08/16/adobe-typekit
http://blog.typekit.com/2010/08/16/typekit-and-adobe
Fonts.com Web Fonts
http://webfonts.fonts.com
http://mashable.com/2010/09/14/monotype-fonts-com-web-font
Google Web Fonts
http://code.google.com/webfonts
http://code.google.com/apis/webfonts
http://mashable.com/2010/07/29/google-font-previewer
Webtype
http://www.webtype.com
http://mashable.com/2011/03/04/typography-resources
http://mashable.com/tag/typekit
http://mashable.com/2010/12/31/web-fonts-guide
http://thenextweb.com/google/2010/11/25/google-now-offering-worldwide-usage-stats-for-its-fonts-api
http://mashable.com/2010/11/25/web-font-awards-winners
http://thenextweb.com/dd/2011/03/02/whats-the-most-readable-font-for-the-screen/#menu-main-menu