A really great site put together by Bryan, most of all, it's current, and cover the new grading system. Bryan is around on the forum somewhere, so I think he could describe it better, and all the time he has spent on it. But it covers API and the Primary Syllabus of the T34. Check it out!
http://www.bryanweatherup.com/
http://www.bryanweatherup.com/MyGouge/
http://www.bryanweatherup.com/
http://www.bryanweatherup.com/MyGouge/