@lilricky A pair of good quality 120 volt / 15 or 20 amp 3-ways wired with conduit, metal-clad or Romex, depending upon your venue's construction and code requirements sounds like a simple, electrician friendly and RELIABLE solution; a three-waydimmer in your booth wired to a 3-way switch accessable to "end users" could be another simple option, or later upgrade, depending upon your houselights; incandescents, yes, fluorescents MAYBE at greater cost.
Toodleoo!
Ron Hebbard
One data point: X10 is very unreliable in the presence of any noise on the powerline and only works when the controller is sending signals on the same phase (residential applications) as the device being controlled -- unless a phase-bridging transformer is used, and even then sometimes it didn't work. Insteon is far better (and more $$).
I am with @BillConnerFASTC that unless we know more about the goal of the exercise (as well as whatever constraints might be present) then it is difficult to formulate anything but vague general solutions. Details matter.
@Jay Ashworth If she / he's a truly great electrician, she / he will have a trained pet rodent adept at crawling through voids dragging poly twine securely tied to her / his / its tail. Trained rodents; the predecessors to go anywhere RC cars with headlights and wireless video cameras.
Toodleoo!
Ron Hebbard