The Global Replays Reporting allows you to drill down into the replay data over the last few seasons. You currently can include over 20+ metrics, 11 different group by options, and many filters to create any number of reports you might be interested in.
Lets say you wanted to see the win rate for PvZ broken apart by all the leagues for Season 36. View Report
How about in Season 36 which day of the week do players have the best Spending Quotient. View Report