A good idea loses heat due to too much porno-like prancing around and not enough real cause-and-effect. Also accounting for the half-point shy of a "recommended" rating is Rebecca Lord's penchant, documented here, for whapping her sub indiscriminately on and about the kidneys.
Close to the bone are Lord's unrelenting humiliation of the sweet and sad Phyllisha Anne (just keep thinking about the money, baby) and Randi Storm's delicious Domination of super-annoying (but to her credit, willing) bubblehead Montana Gunn. Real anger, real discomfort, real good.
Inevitably, adult soundtracks are making use of DJ-type house, with expected results; a definite upgrade from early '90s string scores, it's destined to be the "wokka-wokka-wokka" identifier typifying the porn of this age for our children's generation.