Whored from another thread I replied to ealier today...
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Just like CD-R's, basically we have a few factories making all the DVD-R's out there. I do not know who is making Fuji's DVD-R's, but I know it is *NOT* Tayio Yuden like their CD-R's.
Essentially, you got 3 grades of DVD Media. Crap, Good, and Archival.
Crap : Princo is the big name here. $0.60 or cheaper a pop, and extreemly high failure rates.
Decent : Ritek is the big name here. You used to be able to get Ritek media for $0.80-$1.00 a disc. No longer. Still though, for anything except temporary storage, the Ritek G03/G04 media is the absolute cheapest you should consider. You can find G03's for $1.20-$1.30 a pop shipped. These are great for DVD-Video, since a MPEG2 stream can take quite a bit of degredation before it becomes unusable. Of course, that assumes your TOC is fine, but considering the inner ring is the most stable and that is where the TOC is, your pretty safe.
Archival : The high quality disks. Expect $4 plus a pop. The big names here are Pioneer, and very recently, the new TDK Toughdisks. Use this for important data and stuff that you need to be there 10 years from now, in prestine condition. Many people consider the Tayio-Yuden disks to be in this category as well, which are a steal at $2 a pop (and falling!).
A very quick test of dvd quality is the "thumb test," Run you thumb around the outer edge of the DVD. The smoother -- the better. My Tayio-Yuden's are perfectly smooth. My Ritek's are a little bumpy. My DVD-Pro (these are the bottom of the barrel) actuially cut. This rule will identify the crap disks in a heartbeat, but don't trust it for anything higher then bottom of the barrel.
Also, if you want some analytic data, check out
this thread. I really wish I had access to a LiteON DVD writer so I could run some of those myself, but until then, I will pretty much have to stick with
this method.
-Chu