I had a professor whose lecture 'notes' where a series of overhead transparencies that were written out by him in wet-erase marker. The thing that frustrated me that most about them is that they were in essay-style. The entire transparency was packed with words, just a huge block of text. No separation of different ideas, no bullet points. The only breaks from the huge blocks of text were when he needed to show a graph.
It really frustrated me because unlike when a professor writes all of that stuff out on the board, he was able to breeze through the material without pause in barely enough time for anyone to write anything down. I was really frustrated at those lectures because I couldn't find a balance between taking notes and actually paying attention to what he was saying in the lecture.
We had the OHP handwritten essay style of lectures as well, primarily in maths, but I seem to recall one computer science topic that stooped that low. We definitely had one pre-prepared essay type, but most of these were lecturers would just freely write on OHP reels instead of the blackboard. I found that a lot worse, due to people trying to write legibly/exaggeratedly on blackboards but writing 'normally' (and totally illegibly) on OHPs. But my sympathies for the overhead essays, I've been there.
On the handwriting note; some of the lectures at UW in bifurcation, chaos and some others were part of the 'UW Engineering Extension' program ( or something similarly named. ) It was really great because only the best professors with the best handwriting got to be on TV. Enrolling in the class on campus was a double bonus because we got access to the video recordings of the classes, the teachers lecture notes, and, of course, got to sit in the room with the professor ( if a matriculated student at the main Seattle campus ) and ask questions to our hearts content. The downside was that if we asked a stupid question, it was beamed to the rest of the world.
It really frustrated me because unlike when a professor writes all of that stuff out on the board, he was able to breeze through the material without pause in barely enough time for anyone to write anything down. I was really frustrated at those lectures because I couldn't find a balance between taking notes and actually paying attention to what he was saying in the lecture.