CTX is a great series. There's also a rotation that Debbie (FitnessFreak) posted on the rotations forum. Each work out is less than an hour, but it does require a large variety of Cathe's workouts. Here it is:
Week 1
Day 1: Step Blast Combo 2, 3 + Challenge - 45 min.
Day 2: Muscle Max Upper Body Only premix - 42 min.
Day 3: CTX All Step cardio only + Abs from SJ&P - 41 min.
Day 4: Muscle Max Lower Body premix + Floorwork from Butts & Guts - 40 min.
Day 5: Rest
Day 6: High Step Training Cardio & Upper Body only premix - 35 min.
Day 7: High Step Training Cardio & Lower Body only premix; Coremax #1 - 41 min.
Week 2
Day 1: Kick Max Low Impact Timesaver premix - 48 min.
Day 2: Pyramid Upper Body Up Only premix - 40 min.
Day 3: CTX 10-10-10 cardio only; Abs from Cardio & Weights - 43 min.
Day 4: Rest
Day 5: Pyramid Lower Body Up Only premix - 40 min.
Day 6: Low Max Intervals 1-4 premix - 45 min.
Day 7: Bootcamp Everything but Core premix - 48 min.
Week 3
Day 1: Drill Max Cardio Blast premix - 39 min.
Day 2: Rest
Day 3: Push/Pull Upper Body (2 sets) premix - 46 min.
Day 4: CTX Step & Intervals; Coremax #3 - 50 min.
Day 5: Push/Pull Lower Body (2 sets) premix - 39 min.
Day 6: KP&C Intermediate Intensity Drills + Combo 1 & 2 - 42 min.
Day 7: Step Blast Combo 1, 2, 3 - 41 min.
Week 4
Day 1: Rest
Day 2: Low Max Intervals 4-7 premix - 44 min.
Day 3: Low Impact Circuit Upper Body Sculpt; Abs from KP&C - 41 min.
Day 4: Drill Max Scrambled Cardio Blast - 46 min.
Day 5: Butts & Guts Leg Blast premix - 47 min.
Day 6: High Step Challenge Time Saver #1 - 51 min.
Day 7: Imax 3 Step Only premix; CoreMax #2 - 45 min.
