That's my point precisely - someone not familiar with a given program cannot really tell you anything about what to cover. To take modeling as an example, since it is indeed a standard, cross-application topic : a user of Max/Maya might be able to tell you that he/she is curious about the potential benefits of the Houdini…
I would think that a good subject would be ... anything that has been used first hand, in production, by the tutor recording the video. Many of us have zero experience in this tool, therefore it is hard for us to give any pointers as to what we would like to see. For instance, I am personally very interested in procedural…