I did this premix this morning, and added on the ab section. It was an intense workout, and today, very challenging. I am tired or something, so I wasn't working at the intensity I would prefer. I even had to lower my step to 6" during the power circuits. I hate to admit that! The one issue I had with this premix is I find the transition title things, where it says what is coming next, and then the 5 second pause with black screen, very annoying. I would prefer to just have the black screen pause, as I felt having both the transition title and the black screen where everything pauses for a few seconds, lowered my heart rate and got me out of the focus I had. Did anyone else notice this and feel the same way?