Quote - I don't think I've made it clear what my concern is.

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Reality renders for these materials look faded, like in this render;

http://www.renderosity.com/mod/gallery/index.php?image_id=2414809&user_id=707942

 

Why not render in layers and then composite them together in Gimp/Photoshop?  One layer with everything in your scene except the holo.  And then one layer of only the holo with the light/fstop level jacked up to the brightness you like?