Burndown chart during an iteration showing remaining hours per day (of the iteration). (So not sotry points like is shown below...)

Remarks

• Needs extra field: "time remaining" on Task.  Or first we can just count the total estimate for the uncompleted tasks.  Or the difference.
• We can first just take two points: begin of iteration and current time. Later we can run a nightly script that puts this information in the iteration per day.
• Also track hours worked. We can add that with a different colour. The total should remain the same over the complete iteration if the estimates are totally correct.