Base color and icon for model elements

Is there way to change icon and colour of the icon for a element in the Model Explorer? If there isn’t then, please consider adding such features. I would like to change my it-infrastructure model colours depending if the device is working or not. It would make it easier to see which devices need attention and which won’t. Changing icon would also be cool, since it would make identifying device type easier.

I know I can do these on diagrams per diagram, but the changes won’t help later if one doesn’t first open the proper diagram. I could also use stereotypes named good, moderate and bad. But I’m not so sure it is such good idea because there is no way to generally speaking hide those captions (while maintaining others) and no way to prioritise which stereotype rules in case others try to define same things.