Thee workouts are just great! Joanna is really motivating and she always keeps me going. Although you can get sick of her saying "lovely" every ten seconds, that's also a part of her character that makes her so sweet. The workouts are really efficient, well-structured and adjustable. Joanna always have two girls with her, and you can follow Mairi if you're new to working out, Joanna if your fitness level is medium and cat/theresa if you've been working out a lot before. Either way, you'll improve your fitness level and lose weight/gain muscle strength from these workouts! And with this double dvd pack you always have different workouts to choose from, so you won't get bored. If you want a fitness plan fitted to your needs, go to Joanna's web site and print out the fitness plan that goes with the 28 day plan dvd. This dvd is a great buy for "normal people", however i can imagine if you spend hours in the fitness studio every day you wouldn't find these workouts challenging. But if you're at a medium fitness level (or even if you're new to working out) this is definitely worth a try!