I am fortunate enough to get an invite of typekit. Typekit is a technology platform that allows users to render custom fonts(other than the core web fonts) rather then depend upon flash or images for rendering custom fonts. It offers a way to license fonts for them to be used by web designers.
There are many drawbacks of using images or Flash to render custom fonts. They make indexing the pages a nightmare(Google wont be able to find you easily 😉 ) and there are many accessibility issues. Typekit aims to sort these problems while maintaining the quality of design.
It works only on Firefox 3.5 or Safari since only these browsers support the @font-face.