This IS a huge problem, which I have been researching for about 5 years. My research has been successful, and we have started a company to finish development and sell an archival DVD which WILL last for many, many years. We're targeting 1,000 years, and have proof that our DVD lasts MUCH longer than any of the "archival-quality" DVDs available. It is the ONLY solution for permanent data storage. See www.millenniata.com for more details. Or email me at firstname.lastname@example.org, or call me at Brigham Young University at 801-422-2264.