Mark,
Im quite impressed by the book (the food stuff is a bit concerning though),
I havn't seen it in weeks though, after showing it to some training partners it got borrowed for a "couple of days".

"-side point I have never been able to squat-movement patterns, flexibility etc etc Yesterday for the first time I squatted with weight and good form through a full range of motion. :) -trying to focus on TVA activation throughout"

I have been playing with this, in a job I work part-time, involving a lot of repetitive lifting with a large variance in weight. I'm having a lot less fatigue/problems with my back since.

Flexibility has been an issue for me in getting ass to heels in squats (which is required for reasonable form in most lifting situations outside of a gym IMO) as well, I dont know why but it seems to be easier for me to get lower and maintain an arch in lower back if I concentrate on TVA (I havnt tied a string keep the image in mind)- its strange enough at my work to see someone bend there knees to lift let alone do with string tied around there waist.

I have just found a chek practitioner in my area (and got a job so I can pay for it) and think I will go get an assesssment and sort this stuff out properly.