You could always just have the option to check the task off or put it in some sort of hold state with a time attached to it. When that time is up the task could

You could always just have the option to check the task off or put it in some sort of hold state with a time attached to it. When that time is up the task could become active and top most again. If your compile still isn't finished, just set another hold on it and continue working down your list. Again this requires some honesty as a user, but the most important thing is that the user knows what the purpose of the app is... If they want to game it, they could save themselves some time and just use Things or Producteev.