We've just put up a new Sprut Tutorial on 4th axis programming
Check it out at: http://www.tormach.com/videos_cadcam.html
Also, we are going to hold a SprutCAM workshop on March 23. Details are here: http://www.tormach.com/workshops.html.
You can purchase it as a stand alone class or in conjunction with the CNC Fundamentals Workshop.