Made a few updates in the past few days:
The WOFF font format is expected to be supported in IE9 as well as Opera 10.*, since each respective company joined Mozilla in submitting the format to the W3C.
SVG Fonts are no longer expected to appear in Firefox 3.7, despite previous plans. HTML5 form features, however, will have partial support. (thanks again, Magne Andersson)
WebGL support was incorrectly included in Chrome 4 and Opera 10.5, so this has been removed. (thanks to Peter Lubbers)