>>3521
It certainly is, and is what really gave me the starting point to improve, and it gets better all the time as the content being released is constant.
I just hate the premium stuff is terribly expensive, and currently incomplete. Spending $30 on a subscription to NMA was a great choice for me, having some more advanced tutorials and the like of Vilppu and Bustos (a student of hogarth).
Watch some KNKL when you're bored though, gets into the digital art stuff more, which is helpful for more finished pieces.