It would be nice to have a report that rolls up a given timeframe in days of the week. That way you can come up with averages for days of the week. This is important for companies with sales and traffic spikes on certain days of the week. For example it would be useful to compare this monday's sales with the average monday sales, etc.
Good news! - The idea is already posted - and has been changed to 'in progress' by admins here:
Great minds think alike. Thanks gaurav!