It would be helpful to list some numbers on screen when discussing hardware requirements and to list the pros and cons of different systems (e.g. CPU vs GPU).
In general it would be convenient to have a printable document with the main contents. This allows making some notes during the lectures and to review definitions, … when watching future lectures. It also gives the opportunity to think a bit more about some parts or to give it some more time when certain aspects/definitions/… are not 100% clear.