Might be the fact i am using RawShooter which might just disregard the bit of information which tells the image processor that it should be treated as monochrome. 

Thanks for the tip kort - but i decided that being as i had the control from full colour i might as well just do as i always do and manually convert each image to black and white...  to do otherwise would be like driving a Porsche at 40mph ;)

"In every colour, there's the light.
In every stone sleeps a crystal.
Remember the Shaman, when he used to say:
Man is the dream of the Dolphin"

Rich Meadows Photography