Dave, That is the key for WINDVD so it only effects that software. They would have to revoke the hardware key for the HD DVD add-on drive, which would either render all the drives useless, or require a firmware update to replace the key.
Considering how easy it was to find the key in the first place, replacing the key seems like a futile attempt.
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"and although technically they could revoke the key, we'd just like to see them even try it."
They already did: http://news.yahoo.com/s/infoworld/20070416/tc_infoworld/87720
"New HD DVDs issued after April 23 will not work on players running the old software."
Dave,
That is the key for WINDVD so it only effects that software. They would have to revoke the hardware key for the HD DVD add-on drive, which would either render all the drives useless, or require a firmware update to replace the key.
Considering how easy it was to find the key in the first place, replacing the key seems like a futile attempt.