I just attended their cromoly fillet brazing class in February. I would highly suggest it to anyone who is looking to build their first frame (for whatever reason). The instructors were all extremely well versed in their trade and very helpful. The amount of information you receive in the two week period of time is enormous and without a doubt a gift. They have alumni courses that enable you one work week in their facilities to work freely under some supervision, I intend to attend one of those classes soon, while it's been made a goal of mine to slowly build up tools over time (tool choice is also a part of the curriculum, along with lots of discussion on getting started on your own).
An experience like no other!