Simulate Early, Simulate Often... In Rhino
If for some reason I alter the solid I have already loaded, there is a chance that the faces which I applied a force to will either disappear, or SNS will apply the force to another face because the face ID numbers have changed.
In that case, and even if one simply changes his mind about where to apply the load, it would be nice to be able to edit the faces instead of deleting the load, and re-defining it completely.
It is already possible to do this with the Axis for the torque load, so it could work in the same fashion for faces.