To summarise the way I understand it;
- D514A are powerful and safe, D585s are powerful (guessing probably more than D514A) but can fire early if you run too much dwell, that is, over 4 ms. Firing early "can lead to major engine damage".
- Genuine coils (AC Delco or Delphi) are more powerful than generics.
I'd guess you'd want maximum dwell at maximum torque, because that's when its going to be hardest to ignite the mixture.