GetFluent-C.com is a resource for people to learn more and to take action. Archived on the site is a free Webcast entitled, "What you need to know about your credit card before traveling abroad." You can also comment on the site; share your story and give feedback that may be used to drive industry research to make traveling abroad more convenient and secure. By doing this, you will also receive first hand updates as this technology shift quickly unfolds.
You can also visit online travel forums where conversations on this subject are taking place, such as at Ricksteves.com; Tripadvisor.com; Flyertalk.com; Fodors.com; Frommers.com and Virtualtourist.com.
In addition, The Visa website gives instructions on what to do if you run into this situation: http://usa.visa.com/personal/using_visa/travel_preparation_faq.html