CD-Rs are not so bad if you don't write them at maximum speed (you'll still need to store them in a dark place / case). It is pretty well reported that writing

CD-Rs are not so bad if you don't write them at maximum speed (you'll still need to store them in a dark place / case). It is pretty well reported that writing at maximum speed causes higher initial error rate and worse longevity, yet most people don't even seem to consider the possibility to reduce speed.