Any reason to prefer DVD +R or -R for archiving image files?
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DVD+R is preferable for archiving. It is a newer and more robust format than -R.
See Wikipedia:
"There are a number of significant technical differences between the "minus" (actually strictly incorrect - it was a hyphen prior to the introduction of the DVD+RW format) and the "plus" format, though most consumers would not notice the difference. One example is the ADIP (ADdress In Pregrove) system of tracking and speed control being less susceptible to interference and error than the LPP (Land Pre Pit) system used by DVD-R, which makes the ADIP system more accurate at higher speeds. In addition, DVD+R(W) has a more robust error management system than DVD-R(W), allowing for more accurate burning to media independent of the quality of the media. Additional session linking methods are more accurate with DVD+R(W) versus DVD-R(W), resulting in fewer damaged or unusable discs due to buffer under-run and multi-session disks with fewer PI/PO errors."
There are also quality differences between brands of DVDs. Again, there is lots of info on the internet. If you are serious about archiving, select a high-quality brand such as Taiyo Yuden which you may have to order from a speciality supplier.
