Copy onto ARCHIVAL grade CD-Rs
.......uses robust GoId-on-Gold® construction to provide the maximum resistance to environmental degradation. Long-term applications such as backfile conversion, e-mail archiving, and storage of classified correspondence can benefit from the Archive CD-R's strict quality control and patented Phthalocyanine dye (tha-lo-cy-a-neen) formula, which offers storage life well in excess of 100 years. There is not a more stable, more reliable media for long term storage available today. Only paper lasts longer.
also see: http://mam-a.com/technology/technica.../cdr_dyes.html