You must read High Performance Web Sites Blog’s (yes, that’s really it’s name) @font-face and performance if you’re using @font-face to embed web-licensed fonts on sites you design (as I’ve done here).
Real type, real drag
@font-face and browser performance: the bad news.
Categories Browsers, Fonts, spec, Standards, State of the Web, Usability, User Experience, Web Standards, webfonts