Really quick question with hopefully a really quick answer: I have been using Handbrake to convert my HD DVDs into m4v files (h264 video). However, this means my movies are in two files, as HD DVD ...

What's the difference? If I rip a DVD or transcode a file, say avi, to mpeg4 using visualhub, I'll get an mp4 out of the other end. But when I use the conversion option in EyeTV's software, a ...