DVDRW media does not last as long as DVDR but then again you could find greate DVDRW media and poor DVDR media to prove this incorrect.
-> In the end we have the documents and studies from NIST about CD/DVD Care and Handling (see google for those) that help us understand media care and longevity.
The DVDRW erasure cycles vary from 100 to over a 1000 times depending on quality which is very hard to find on the packaging.
I have a question regarding blank DVDS. I have digital cable with all the movie channels. When I see a movie that I might like I record it on a blank DVD. If I end up not liking the movie I throw the DVD away.
I know rerecordable DVS can be recorded and erased many,many times. My question is will a saved movie on a recordable DVD (lets say I recorded and erased it 10 times until I finally got something to keep) last as long as a normal blank DVD????