H.264 vs. Theora vs. MPEG-4 vs. MPEG-2 vs. Dirac
I had no idea of some of these formats. The short answer is that H.264 seems the best. What is even better is there is an open source H.264 encoder! Yes!
Tagged: H.264
iMovie fails to import H.264 properly
Click here to read more. It turns out that the camera he was trying to use was not on the supported equipment list because it was so new. He was able to workaround most of the limitations by using a suggestion from another poster.