Finally got around to reading it, so I'll write a quick review. Not even a question whether I got my money's worth or not. I would've paid the same amount for a few hours of coaching, but this way I get a lot more to chew on.
Tons of factual info as well as tools to help at the table. This definately reads a lot more like a textbook, and if you put in the time and treat it as such, I can honestly say it's worth a lot more then what you're paying for it. Hard to think of a situation that can't be discerned using the info provided. My preflop game has been dramatically altered, especially 3-betting, he breaks it down into a rational science and not just random clicking. That improvement in itself is worth more then 750 in the long run.
Draws, same story, how to play them based on stack to pot ratios, opponents etc. Limped pot play, something I tried to play more based on "feel", was rationalized quite nicely, the list goes on.
One suggestion I'd like to make...stop selling it please!