Funny you mention of the CES Vegas show done a few months back, Disney did a special holiday show at DS using Drones in partnership with Intel last holiday season if I'm not mistaken, which was a milestone for the drones to be used in a large public environment.
In any case, welcome back to IU, and I can't wait to see what you have to chime in when it comes to the new Nighttime show coming to USF!
EDIT: While talking about the Fountains, it should be reminded that they may not be perfect, and may have issues.
Case in point, from Emmanuel Elefante,