The best I can find is here: https://steemit.com/steemiact/@steemitguide/steemit-hardfork-19-equality-overview-linear-rewards-curation-weight-curve-and-increased-vote-impact
I've been experimenting with FOSSbot @irbot. It seems like a "pilotfish" with low Steem Power makes basically no difference.
The cost of running a pilotfish bot will soon outweigh the benefits I think.