The content covered in the course is pure gold – it will be hard to find such high quality material elsewhere gathered in one place. It is succinctly written to speed up your learning, yet is comprehensive. The VAA Reference Library is suited for both absolute beginners and those who have been practicing art (even professionally) for a number of years.
I have been a member of the Virtual Art Academy for a several months now, dedicatedly following each of the lessons. Even after such a short time my work has improved, a lot of it down to the extremely high-quality content that Barry teaches.
I highly recommend exploring this vast library as you will definitely learn something new and see the benefits in your work.