Cardio Kicks (on the same DVD as Circuit Max; you could also do the warm-up and first three cardio cycles of Circuit Max fast-forwarding through the resistance cycles for some good floor hi/lo and kickbox)
CTX Kickbox
CTX 10-10-10 warm-up, kickbox and hi/lo (~20-25 minutes)
Kick Max
Maximum Intensity Cardio (on same DVD as Rhythmic Step and Interval Max): warm-up through hi/lo segment is about 35 minutes
Boot Camp cardio only premix
Step Jump Pump (on same DVD as Step Blast) hi/lo add-on premix
A-Jock