What is the main difference between "MVW-DVD" and "MVW"? Can I accomplish the same thing with "MVW" in deleting commercials as I indicated below?

I like your program in the respect to editing out commercials using the bookmark browser and associated blank fades button to drag the bookmark clips to the timeline for the quick commercial removal at each fade location.

Yes. Both editors have the same functionality and execute the same code, except that the DVD version has a DVD author component and a Dolby AC-3 encoder.

If you need to edit audio with sound modifications such as volume increase and audio fades, and if you also need to export audio in AC-3 format such as building your own DVD movie library, then you should use MVW-DVD. Otherwise, use MVW.