Update: Customers have been reporting errors burning on these media. You might want to consider getting Genuine Ritek G03 Grade A DVD-R Silver/Purple 4.7GB Blank Media 100 Pack for $84 with Free shipping. Even-though these media are only 1X, Riteks are very reliable.
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Meritline.com has a 100 Pack High Quality 1X-4X DVD-R 4.7GB Blank Media General Purpose for $72 plus shipping.