Definitely more specific Sonar techniques.
A mix competition. Kudos could be a prize rather some material object.
A mix could be a regular part.
There's plenty of material on the forums to provide one set of stems each month.
As to the negativity to my idea, well that's just what it is; negativity.
Please don't predict an outcome before you've had a chance to do the work. In any case Craig, this post was really not aimed at you exclusively. Perhaps we don't all want to be consumers of your work alone. Perhaps it would be more reflective of the membership if others were more involved too.
It's easy to say that it will fail and not try.