The upside is that he writes the best books on the market. "Bulletproof Abs" teaches you the best exercises you can do to increase the functional strength of your abdominals, and get that sexy "six-pack" if that's what you're after. Most of the exercises can be done at home, using no equipemnt (or cheap equipment). Those angry reviewers who insist this is an info-mertial for his ab-machine (which he admittedly does advertise in the book) seem to overlook that he demonstrates how a partner can take the place of the "Pavelizer". The other exercises can be done alone. Pavel is the leading ab guru among the serious iron-lifters for a reason: his stuff works.