Same here — I always always keep the untouched DVD image and usually even keep the physical discs. I tend to leave CSS intact in the name of doing as exact a copy as possible since it’s so fully broken.
Decrypted VOBs are nice to have(tm) additional intermediate products because nearly all players and some transcoders are idiotically region locked but will generally accept decrypted VOBs (same field data) just fine.
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Same here — I always always keep the untouched DVD image and usually even keep the physical discs. I tend to leave CSS intact in the name of doing as exact a copy as possible since it’s so fully broken.
Decrypted VOBs are nice to have(tm) additional intermediate products because nearly all players and some transcoders are idiotically region locked but will generally accept decrypted VOBs (same field data) just fine.