A small request, if it has not been done before:
can you add an option so that the shaded objects display the style color (not just the wireframes of the objects)?



Also, I found a nice tip for working with 'locked' layers:
Turn the display of surfaces off, so that all objects are shown as wireframes, then turn on any named objects or specific styles you want to work on.
The other objects are still there if you need them as visual references, but you cannot select them, and they don't get in the way-