Both Activate and Exchange Refs are essential tools, given Mstn's federated environment. Being able to select and element and Exchange into the model containing that element, keeping the camera position is a great time saver and ergonomic experience.
What would be good is if Mstn could save the ElementID so that element can be automatically isolated when the new model is loaded.
User selects element(s) to Activate / Exchange.
Mstn saves ElementID(s).
Mstn Checks if Displayset is set.
User Activates / Exchange
Mstn opens new model.
Adds ElementID(s) to Displayset
If Displayset was set in previous model, Isolates element(s)