Dave Leip's Election Atlas (the map site, not this forum) is actually incredibly well-known in political circles and has been mentioned frequently in the media and in political non-fiction. One notable example is in
The Big Sort by Bill Bishop, a book about electoral geography and the clustering effect of today's partisan coalitions. Here Bishop describes how his research partner found Atlas to assist in his book-
Initially, Cushing and I were so interested in the economic effects of the Big Sort that we paid no attention to whether the phenomenon meant anything to politics. That was an oversight(...)It just made sense that this internal migration had changed the nation’s politics, too. Then I received one of those magnificent midnight e-mails from Cushing.
He had access to presidential voting results for each U.S. county since 1948, collected by the web-based election data impresario David Leip.
Hard to think of something more dramatic and exciting than finding a website from an election data impresario.