The below idea is something I've been wanting to post for a while but never got around to it.
While thinking of the summer spectaular one night, a very intriguing but most likely astronomically expensive and impractical idea struck me: Position a few laser projector units at strategic locations in line of sight of the track. By employeing a tracking system to account for possible swaying of the taller towers, the lasers could then "trace" the contour of the track in a pinpoint blue(similar to how a few lasers draw the summer spectacular screen by moving at the speed of light) that could probably be seen for miles on the lake. Being that these lasers would be pointing from the ground up and would also outline a structure rather than look like landing lights, it may just be feasible with the air traffic control crowd.
This is just wishful thinking on my part and in NO WAY IS IT MEANT TO BE INTENDED AS A RUMOR; I'm completely sure the whole lighting scheme has been set in stone for months now, but maybe I'll luck out and come close... Place your bets now :)