Chris Schauer shared the following queries that can help to understand Gradebook2 usage at your institution: https://gist.github.com/anonymous/e628571e0f712490346e
You could share the results of those queries in the following page. This information can be useful to identify and prioritize the main functionality that should be incoorporated in GradebookNG.
- TEXAS STATE UNIVERSITY - https://docs.google.com/document/d/1k8lyzpdIWax1EIFT9fMPx7qV75i2EQVwwqHKGeVhB4M/edit
- your institution...