In With The Old, And In With The New.

Whenever a new technology comes along, it has a tendency to be tacked on to to anything existing in the field, regardless of whether or not it is vastly superior and revolutionary. There's always a part of the population that prefers things "The old Way". The big question, then, is whether or not you'll accommodate for these traditionalists, or force your new, revolutionary worldview on them.

Digital projectors may be far more versatile and effective, but how much effort does it take to leave an old overhead projector at the front of the class to keep a few old lecturers happy? Is it worthwhile? How amenable will these lecturers be to being told to do things a different way?