We could consider using the visualization "d3" for both gameplay and continual ingame statistics.
https://github.com/mbostock/d3/wiki/Gallery
It has both stuff for Voronoi clusters
http://bl.ocks.org/christophermanning/1734663
And Hexagon binning
http://indiemaps.com/blog/2011/10/hexbins/
And can show important world statistics:
http://bost.ocks.org/mike/nations/
I also found a link to this guy who's beast at geometry and map projections. Maybe he'd be interested in starting the WebHexPlanet sim with us.
http://www.jasondavies.com/
