Modify the sliders in Discover so that you can drag the center between the two selections to have a moving range.  That way if you want to look at a 3 day period then another 3 day period without doing a compare you can just drag the date range block all at once.  This would also save on server call...

Provide the option to remove division errors from a report that contains calculated metrics.  Modify how totals are calulated for the metric as well so that errors do not occur.  A / B should not result in an error because a line item generates an error if the overall total is still available.

When applying any type of filter to a report or view, there should be a sub total and a total provided.  So if the grand total is 1,000 and we filter out items that are worth 100, then we should see a sub-total or filtered total of 900 as well as a grand total of 1,000.  The percentages of each item...