Kick Max's first 4 sections are easier on the knees than the ones you mention.
But beware the third drill -- Cathe does a drill on this one that is very stressful on carpet unless you modify. She does mention a modification that I use since I do workout on carpet.
Kick Punch and Crunch is another good one for lower impact.
For Body Max 2, I never use 8 inches for the riser.
I think 8 inches is just too much for this workout for me, esp. during the second part where Cathe and Crew do the blasts.
Every time I use 8 inches, I regret it. Just make your movements more dynamic versus pounding your joints if you use Body Max 2.
But if you are a tall person, the 8 in. riser probably won't be an issue for Body Max 2.