There are many web sites which link to helpful collections of GIS information such as map libraries, tutorials and research institutions.
Boston College GIS Listserv: gis
subscribe gis_geoinfo firstname.lastname@example.org
email@example.com is the email address at which you want to receive the email from the list.
News, educational resources, data pointers, and commentaries to thousands of GIS, CAD, GPS, map (and digital mapping), and location-based services (LBS). The audience is industry professionals and students. Links to gislist. Email the following address to subscribe: firstname.lastname@example.org
Massachusetts Geographic Information Council
Provides monthly presentations from September to May with presentations by geographic information professionals. "The council serves as the primary forum promoting the sharing of high quality geographic information concerning the physical, social, and economic environment of Massachusetts by state, federal, and local governments and the private sector "
Association for Geographic Information
Events, news, resources and special interest groups.