Hi...hsta to me is a really good workout (a little harder). I dont like doing it at the 8 inch level. The step doesnt seem to be that secure on carpet as the full length step is. The high step circuit is a little easier. I dont like working with the tubing and use dumbells in place. You use a barbell and dumbells in hsta and dumbells and tubing in high step. I usually do high step first and then follow it up with hsta a one giant circuit workout at a 6 inch level. My least favorite is basic step........too easy. But since i bought the dvd (gotta have EVERYTHING CATHE you know), I use it as a warmup to doing either hsta or high step circuit again as a giant circuit workout.