Great buy. I've just started reading it (I've read ch 5 to 8) and it has already improved the way I think about flaws. I personally plan to read the book first before continuing on with the 7Sage curriculum.
... time on his sections about flaws before moving forward. Make sure ... for you. Also, practice spotting flaws everywhere, even in everyday conversation ... you point out their argument flaws all the time so you ...
Just keep plowing through the Trainer and keep PTing as you get later in the book, it's really great for flaws so it should help. Try and get on some group BR calls so you can have the opportunity to review the whole test in more depth.