I absolutely expect good slides to be sufficient for learning, contain references to additional reading material and be accompanied by exercises to get practical examples for the theory. In the best case the lecture is recorded on video and available for download.<p>Why? Because I don't want to sit 3 hours in a lecture that I can study for myself in 30 minutes. I don't want to attend 8a.m. classes, when I'm mentally not capable of learning. And I want the ability to focus on the hard parts of the lecture as long as I need and don't get thrown off context when the professor thinks he should move on. Having to attend lectures is a deeply flawed approach to learning and should not be necessary in university.<p>It's not that PowerPoint is a perfect tool here, but that having the possibility to learn in your personal best environment is so much better than being forced into a one approach fits all environment.