These don't have step. Some may be more metabolic than HiiT.
HiiT High Interval Training DVD (The Pyramid HiiT workout doesn't use a step)
Plyo HiiT DVD (Workout One doesn't use a step)
Xtrain All Out Low Impact HiiT DVD (certain premixes remove the step segment)
Ice Low Impact Sweat DVD (there are premixes removing the cardio 2 step segment)
X10 (5 short workouts, only 1 of those is step)
Cardio Supersets (a bonus step segment is included but not in main workout)
Metabolic Total Body