Organizing Story Cards
I'd love to be able to create chapter markers in the screenplay format like is done in the novel format. It'd be helpful to line up my scenes into acts in particular. In my particular case, I wouldn't see a need for the chapter text to appear in the screenplay itself, but it could just take a checkbox to let it appear on the screen play as an official act break as used on television scripts.
Organizing Out-of-Story Cards
I also like keeping an archive stack of notecards for ideas that I like, but aren't in the actual story and I also don't want to delete. Could something like this be added as well? Maybe have the option for any given notecard to not appear on the script or even a specified bin (or bins) for outside-of-story idea organization.