Just for some variety . . .
Favorites:
Chalene Extreme -- love it, multiple rotations!
Turbo Fire
P90X3
Les Mills Combat
Least Favorites:
Insanity
Brazil Butt Lift
Yoga Booty Ballet
Slim Series
I also own P90, P90X, Piyo, Rev Abs and P90X2 . . . jury's still out on these.
I guess what this proves is that you should try these for yourself to see what you think!