It would be nice if we can see tasks in calender view or having a chart for overview. Actually, i am not sure that this function yet exist? ...only seen while arranging date.
Thank you for your suggestion and you're welcome to vote for this request in our Votebox: http://todoist.com/Vote/showProposal/23/
For now, you could get a nice overview of your tasks by searching for a certain amount of days such as "7 days" or "20 days" etc. in the search box.