None of the field guides have all of the specimens from the National List.
I personally am doing Peterson because it's easier to shove notes into. Audubon is probably better if you're going to do very little with adding your own information.
I know in NY they are saying that you can't stuff pages of notes in - just Post-Its, and no full page ones either. I don't think they have an official size limit, but it probably wouldn't pay to push it.
I have like 4 tablets of post it notes that take up just a little less than a full page of the Peterson book. 'Shove notes into' probably had more of a negative connotation than I meant it to. I'm so glad I don't live in NY...that rule that all of the questions will come from information inside the Peterson seems to sort of ruin the research/study portion of the event for me.