This demonstration video from dnp clearly shows the advantages of a Supernova Screen where high contrast front projection is needed.
(Click the 360p icon and choose 720p to watch in full HD. The button with the 4 arrows will play full screen)
We can vouch for the truth in advertising of this dnp-provided video. Check out the results of our own "Screen Test,"where we've used the Supernova Screen in real presentation environments. It works "as advertised!"