Years ago I saw a laser light with 8 red straight beams in a row, like a sunstrip. I was thinking how that ever could be useful in a show until yesterday. I was watching a live registration of the Amsterdam Dance Event (ADE) on tv and at an certain moment there where red laserbeams coming out of three giant X's. First I thought they were coming out of a projector in the back of the venue but they came out of some (well a lot) of those laser-curtain. I thought that was a nice idea. Not for every event but for me it was something new.
I tried to find a good video but only thing I could find at the moment was filmed with a mobile phone or something. But it gives you an idea: