Would be great to drag/drop tasks along a calendar to change their start/due dates, or lengths. Similar to: http://techcrunch.com/2016/03/16/plan-launches-a-better-calendar-for-busy-people/ .. Feedback on how quick to implement would be great, but I'm expecting it won't be immediate. Still good to compete with what's coming up, as this is really close to a necessity and would take over the calendar apps currently.
Would also be great to have a manual sort field, to dictate actual priority (I'm currently using start date for this)