Only experience I've ever had with those groups is they seem to be run by tyrants.
We had two different ones run at our church and neither seemed any good.
I prefer a methodology thats actually enjoyable and so passive that you don't dwell on it all the time.
Its too easy for it to become an obsession. Hence why I train at the armouries, I have and am still losing weight but Im replacing it with strong and useful muscle.
so do you really like 3d glasses?
old school red/green ones, not the stupid new ones...
music makes me happy, most recently - eric coppeland 'la booly boo'
if you can find it to listen to, haha, enjoy it.
But ah it would appear I finally get to meet you. The day before my birthday.