+ Edit: 3.12: Subject
+ Edit: 3.13: Location
+ Edit: 3.14: Start / End / All Day
+ Edit: 3.15: Show time as: Busy, Free, Out of office
+ Edit: 3.16: Reminder set
+ Edit: 3.17: Priority: High/Low
- Edit: 3.18: Recurrence (in line with Kontact)
+ Edit: 3.19: Attachment Upload
- Edit: 3.20: Print
- Add/Manage Attendees
  - Edit: 3.21: Required / Optional / Resource specification
  - Edit: 3.22: Conflict Handling (Free/Busy Check for attendees)
- View: 3.3: Display modes (agenda / day / week / month)
  + Day / Week / Month
  - List (Agenda) view
  - Individual days selection
+ Show list of calendars in a (hideable) drawer
  + View: 3.1: Folder list
  - View: 3.2: Add / Remove / Rename / Share Folders
  + View: 3.6: Combined calendar view (Turn calendars on/off)
  + View: 3.7: Small month overview calendar
- View: 3.5: Search
+ View: 3.9: Alter event with drag/drop
+ Option: 4.12: Set default reminder time
+ Option: 3.23: Specify folder for new event (prefs)
- Receive: 1.20: Invitation handling

- View: 3.4: Fish-Eye View For Busy Days
- View: 3.8: Color according to calendar and category (similar to Kontact)

+ Support for multiple calendars (replace categories)
- Remember last visited view
+ Allow user to create/edit/delete calendars
+ Colors for calendars should be user-configurable
- ICS parser/generator ((http://code.google.com/p/qcal/)
- Importing ICS files
- Create/manage invdividual views

- Support for tasks/todos with task list view (ordered by date/time)
? Show and edit two different views
? Use ICS format for storage in DB