I am in favour of implementing a delegate incentive programme:
Regarding the changes proposed, moving PR from all-time to last 90 days seems a good idea to lower the entry barrier. As to 1.1 or 1.5, the latter seems to both require more work from the administrators (in regards to the rubric) but also stimulate high quality feedback and also in a timely manner, by putting more weight to comments made before proposals reach the voting stage. I would have suggested to set CR to 15% instead of lowering it o 10% in v1.5, and DF from 30% to 25%. I like the idea of the rubric and the comp tiers. Good work so far by @SEEDGov.