I get my insurance from the link below. They even popped for a couple of days of car rental in Chihuahua when my stator died and I had to wait for parts.

Adventure Mexican Insurance Services - www.mexadventure.com

Other info

PDF Map of Mexican GPS tracks

Garmin Map of Copper Canyon GPS tracks

Mileage chart for Mexican GPS tracks

A Rudimentary and Incomplete FAQ for Backcountry Travel In Mexico

Detailed Guide to Mex Border Paperwork

Help with Mexican Online Vehicle Permits

A suggested packing list for DS riding in Mexico

Spanish travel_moto words

http://www.advrider.com/forums/

http://www.adventure-motorcycling.com/trip/index.htm

http://www.geocities.com/whaycoc/

http://www.ibmwr.org/pastevnt/LloydMexico/LloydsMexicanAdventure.htm

http://www.bigdogadventures.com/default.htm

http://www.peoplesguide.com/index.html

http://www.studyspanish.com/dailyword/index.htm

http://www.bartleby.com/69/

http://www.maps-of-mexico.com/

http://www.bicimapas.com.mx/English.htm