I liked the course as I progressed and completed it. The first two weeks are pretty smooth and then it starting getting tough. It cam be very frustrating at times as even after watching videos multiple times you may not understand some concepts. You will have to refer to Sutton and Barto's book to clarify the concepts further. The parts of courses by Roland are most boring and not informative. It feels as if he simply reads the slides and i had given up on the course. All other instructors, Adith, Kenneth, Katja and Matthew are very good and the exceptional. The assignments are tough but fun and some questions in the assignments I felt at that point of time not clearly worded and confusing (perhaps it was my lack of understanding of some concepts).
To sum up, its a very good but difficult course to get started with reinforcement learning.