It's been done... =)
They used 5 lasers to read the record, and if I could remember the name of the company, I'd give you a link... =)

Not quite ready for in car use yet though... =)

Jazz
(List 112, S/N 00030, 4 gig blue)
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Jazz (List 112, Mk2 42 gig #40. Mk1 4 gig #30. Mk3 1.6 16v)