I like "Arm TOner" (actually a full upper-body workout).
I also like the combo of plyos and unweighted leg work in the lower body workouts, and the combo of floor ab work and more dynamic, agility-like ab work in the ab workout. I also like that there are two lower body workouts (buns and thighs) so you can hit that area twice a week just doing a PHH rotation.
ETA: Tony is REALLY goofy in this one. When I first got it, it was a bit much, but after using P90X, I got used to him, and started seeing him like a goofy brother, and was able to tolerate the goofiness more.