Some years ago there was a scare that CD's were liable
to corrosion - the ink used in the labelling could
destroy the information layer. Seems it can still
happen:
http://www.cnn.com/2004/TECH/ptech/05/06/disc.rot.ap/index.html
Vinyl may get dusty and scratched but but and large
it still plays. Bring back the black stuff!