HTML5 Video Minus Ogg and IE < 9

A great description and solution for an issue that I agree is tedious for web developers.

“Firefox and Opera are essentially forcing websites to offer two versions of each video: an Ogg version and an MP4 version. In my opinion — and the opinion of many others — this simply will not do. Providing two different video files is not realistic, Ogg’s quality is inferior to H.264, and many computers and mobile devices have direct hardware support for H.264 but not Ogg. In reality, without MP4 support, HTML5 video is rendered useless for most site developers in Firefox and Opera.

http://pipwerks.com/2010/03/19/html5-video-minus-ogg/