Lots of good planning sites out there, e.g.:

http://www.census.gov/main/www/cen2000.html

http://www.census.gov/population/www/projections/popproj.html

www.plannersweb.com

http://www.planetizen.com/

www.aboutplanning.org

http://www.sonoran.org/

http://www.smartgrowthamerica.org/

Many local planning departments have good web sites. Boulder’s is useful:

http://www.ci.boulder.co.us/pwplan/index.htm

and Boulder’s growth issues are interesting:

www.bococivicforum.org

http://www.psrc.org/projects/vision/outreach/workshop052005.htm

http://www.sacregionblueprint.org/sacregionblueprint/

www.brookings.edu/metro/

Also on Sprawl:

http://www.sprawlwatch.org/ 

Also on Sprawl, don't forget our anti-anti-sprawl guru for ideas:

http://www.ti.org/vaupdates.html