Performance guru Steve Souders dives into current performance issues with the web’s latest hot techonolgy of font-embedding via @font-face. @font-face and performance describes how the major browsers handle font embedding for good and bad. Specifically how all browsers but Firefox show no text until the font is downloaded (FF shows the default font and then re-draws when the custom font is ready).
A must read for anyone thinking to use this new arrow in our quiver, so you can know the potential drawbacks.