CSCS
truth is that if you really know your stuff, they are all useless. there is just too much info to fit neatly into a course/book and you can't teach someone to master a subjective art of putting together a routine based on a vast variety of scientific knowledge.
don't get me wrong, it is a great start, but if you are serious, that's all it is, a start.
even guys like poliquin and king are still learning things everyday and i'm sure they relish this and if you do to, i'm sure you will be successful, good luck