I've been working on creating a map for all the members similar to Frappr, but a little more focused on accomodating 4000 member locations. The PJ world view map will have around 150 locations -- one for each country in the world. When you click on a country on the map you'll have a detail view with all the map points for just that country.
I'm slowly, but surely going to transfer every member (who has posted their location) to the new PJ location system. This will calculate Longitude and Latitude based on country and/or city. I've written a script to parse out recognizable cities, states, countries for members, but most people entered their locations in a casual format so it's going to take a long time before everyone is in the system. If you are interested in helping simply go to "Edit Profile" and update your location (Country/City).
Although it is nice to have a map for PJ members, the main reason I'm doing this is so I can get a good handle on how to integrate Google Maps and a geocoder system into a site.
Hopefully you'll see a full map with all 3800+ PJ members sometime in the next few weeks. Suggestions welcome!