Quick Update:
The plugin is finally set for a Marketplace release with V1.1, which includes Feature Update 1, on September 29th for $79. You can still purchase it for the Early-Access price of $59 until then, just send an email to vdbeta@.com.
If you purchase it via the Marketplace and would also like latest Source Access via GitHub, you will simply need to send an email to vdue4@.com with your Marketplace receipt and your GitHub username.