actually depending where OP is located it may not be illegal to remove DMR (recent court rulling in the U.S. have allowed owners of DVDs/CDs/mp3s to remove DMR for the purpose of making personal copies). of course it is still against forum rules... just my $0.2
here is one of many articles:
http://thenextweb.com/us/2010/07/26/...gal-sometimes/
just search in google: court ruling makes DMR removal legal