While everyone is worried about bad media, Verbatim has published on it european website a list of DVD media and expected lifetimes. DVD+R and -R has an expected lifetime of 100+ years. Included are: DVD-R,DVD-RW,DVD+R,DVD+RW

See this here
http://www.verbatim-europe.com/index/downl...7&change_lang=1

Forgot to add here are some tips to keep your Disks Safe

http://www.technudgelive.com/2006/01/how-l...discs-last.html