I purchased a Panasonic BluRay burner for my MacPro after Roxio told me that the 7.1 version of Toast supported bluray.
It turns out that you need an oem version of toast, which roxio will not sell you. You need to buy it from a vendor that bundles it with the drive.
Roxio tech support would not even tell me who has an oem version available for the mac.
There is only one vendor that I know of that seems to have a mac oem bundle, Logitec.
Sorry, no link.
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Art Aldrich
Leader, NJ FCP UG
http://www.njfcpug.org