Hi Jos,
I haven't gotten to the point cloud conversion software purchase yet. I have been trying to find one that I can afford
MachCloud will convert your point cloud into an .stl, and it's free.
http://www.machsupport.com/downloads/MachCloud.zipYou'll still need something to create g-code from the .stl.
FreeMill is free
MeshCAM and Cut3D are both good.