Pontchartrain Astronomy Society: http://www.pasnola.org

International Dark Sky Association:  http://www.darksky.org

Sky & Telescope:  http://skyandtelescope.com/

Astronomy:  http://www.astronomy.com

Cloudy Nights Telescope Reviews:  http://www.cloudynights.com/

Meade Advanced Product User's Group:  http://www.mapug.com

Weasner's Mighty ETX Site:  http://www.weasner.com/etx/

LXD55 Portal:  http://lxd55.com/

Philip Perkin's AstroCruise:  http://www.astrocruise.com

Geocode.com (use Test Drive for longitude & latitude):  http://www.geocode.com