Clone 1:1 - with new StarForce or Securom or Safedisc is very,very hard.
Maybe only in Plextor PX-716A - firmware 1.03db and 1.13db by Dangerous Brothers or BENQ DW-1640 - firmware BSJBand and media PLATINUM 52X PHILIPS 52X FUJIFILM 52X SONY 48X a TDK 52X with the "Patcher Tool".
In new SF the protectinon control the maximum autentifikation with the original CD.
Read the essay by MiRROR.
Good Luck
