Our undying gratitude permanently recorded with every copy of the software that is distributed and on the acknowledgements section of the product website. Plus, access to purchase the initial release before it is publicly available.
Every single thing listed above, including 20 licenses and priority status. Plus, free updates for the lifetime of the product (never pay for an upgrade). A text link to your webpage on the Ajar Productions blog for 1 year (300 - 1,000 unique visits per day).