Displacement in Carrara5 is a tab in the shader tree. This means you can adjust the the displacement map and the shader together and apply them together.... AnythingGrooves is an object Modifier. It uses a second shader as the b/w displacement map. I was curious so I compared the two side-by-side (AGrooves is on the right). The interfaces are quite different, but I think i got them looking similar, altho Displace looks a bit sharper.... Render times for these shapes are almost the same, but I'm using the AGr primitives (plane, sphere, etc) which render faster than the AGr modifier. I suggest you spend your money on one of the other DCG plugins ;^D Holly