Why no mt. rainier for 40125w?

how come nearly all the other ‘high end’ liteons have the firmware include mount rainier support but not the 40x ‘w’ drive??..if the ‘s’ and ‘w’ drives are the same now that the ‘s’ has p-cav capabilities why dont they keep the ‘w’ series in line with the ‘s’???..anyway has anyone got any results with the new ws05 firmware yet?? to me its just the same as ws03 but I only have 32x prodisc’s to test with at the moment, and the burn,s are identical in time and quality …cheers all…dave