- Geocluster: Server-side geo clustering in drupal 7
- Documenting best practices for well established modules: Geofield, OpenLayers, ...
- Views GeoJSON, see http://drupal.org/node/1471026
- OpenLayers is not the best fit for all, what about Leaflet and Mapping?
... last but not least - make sure the monster is happy :) (sorry no img tag allowed)