In RF5 you can have another use of IDOCs (Independent Domain Of Computation), you can use them to store several results of the same emitter without create new one or a new scene. You only need to add as much IDOCs as versions you want. Please, have a look to this video!!
In addition to this you can combine this tip using the exporting to xml option After simulate, select the emitter (or even the full RF scene) and export them with the same IDOC name so you could have saved and stored your sims and emitters presets. This tip let you store all your presets for every node in the scene.