ZBrushCentral

question

I am creating my demo again I am a 3D Modeller but I am told
to create my work In Maya then at last make a displacement map in zbrush and
put it in the final render. My question is what is the melscript for editing in Maya for zbrush displacemnts for gain in Mental Ray.

Also for Demo Reel do you recommend this creating the body in Maya ? For a job in Film?