I just installed Movie Studio 3. I was hoping to have more control over the MPEG-2 encoding. In particular, I don't see any option for outputing MPEG NTSC with video and audio files separately. I've been using TMPGEnc, which puts out m2v and wav files as separate "elementary streams." I've been told that having separate streams is better, since DVD authoring programs have to split the video and audio anyhow.
Thanks for any insight!