I'd be interested in this as well. I viewed a video of his a while back and still get regular reminders about the method in the mail. If the course is half as good as his marketing then it should be ok. Maybe you could try over in the Reaper forums or one of the "more professional musician's forums". No offense intended, but this forum doesn't seem to have too many professionals in it (people who have to earn a living by making music), so they are all pretty happy with their singing.

Chris