If we could see something even remotely like Agendus or DateBk, I would be very happy. My experience has been with Psion (still the best Agenda program I've ever used), Palm, WinMo and iPhone.
The main things I'm looking for are:
View flexibility: Day, Week, Upcoming, Month and Year views with full functionality as regards scheduling/alerts in all views except year view.
Alert functionality: I like the ability to schedule alerts, including email and text alerts, and the ability to dismiss/snooze alerts.
Highlighting: I like the ability to highlight certain events to make them stand out on the screen, for example, being able to color an event, or mark it with an icon. Automatic highlighting like Agendus does is really great (if the event description contains the word birthday, the event is automatically marked with an icon of a birthday cake).
Integration: it's nice to be able to click on the where field and be taken to Google Maps, or to click on a phone number in an event to dial that number. I would also like to see contacts integrated in with Agenda Pro.
Search: let me search all fields of events, including location, contacts, etc. without having to leave Agenda Pro.
That's probably plenty for now

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Thanks for soliciting feedback; your widgets are very highly thought of, so I look forward to seeing Agenda Pro evolve.
jim