I'm excited for the variation this will provide. I'm still in a spot where I can go heavy and higher intensity (minus my current back issues), but even then, I need a mental and physical break from ultra heavy and ultra intense workouts, and I do think I'm needing the break more and more often. All the recovery days in STS 2.0 made it really clear to me that my body appreciates frequent rests.
Just no more HiiT, please! LOL. Even if it's low-impact. I'm sooo tired of HiiT. Just give me steady state cardio.