I downloaded Agenda a couple of weeks ago and lke it very much. Lives up to the high-caliber of your other offerings.
It would be great if, in addition to creating or linking a note to a calendar event you also had the option of creating a task using the Reminders framework.
Update: Ahead of true integration ala the Calendar app, you’ll be pleased to know that in the 2.1 update we did add support for directly adding a reminder from the selected note by using the system wide sharing extensions. It even takes any text selection in consideration: