It’s a bit of old news, so apologies if it is common knowledge already - a search of ‘pillars creation supernova’ didn’t return any results.
Apparently there is evidence that the famous picture will not be with us forever:
http://www.spitzer.caltech.edu/Media/releases/ssc2007-01/release.shtml
I fully recognize that things we see in the night sky are not as they actually appear in real time in the universe - but this seems to be one of the few times where we might know something has happened before we actually see it.