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Will these not rip SonyBMG and other CD's with copyright protection on to the disk, or do they have a work around?

It depends how each individual manufacturer has done it. The way these restriction schemes tend to work is by observing that audio CD players don't understand multi-session discs, reading only the first session. PC operating systems, on the other hand, tend to do the "Right Thing" for multi-session discs, which is to read only the last session. So copy-protected discs tend to be two-session, with complete nonsense for the audio offsets in the table-of-contents in the second session. A media centre which uses the standard system calls for reading the audio table-of-contents, whether under Windows MCE or Linux, will be unable to rip those discs. However, the Rio Central -- whose software was written before copy-protected discs were invented -- took care to cope with broken or mismastered home-made CDs by always looking up audio tracks in the first table-of-contents, which has had the unintended side-effect that it can rip most types of copy-protected disc.

Peter