Machinimatrix is offering ten prizes of L$5,000 for those helping improve the documentation for AvaStar 1.6. They seem to be taking a new tack with new documentation. Read the deals of the prize offer.
Spelling mistakes and minor corrections are not what they are looking for and are unlikely to win a prize.
There are still pay-to-watch tutorial classes. But, the manual appears to provide all the basics of AvaStar.