ok, well since we have that 15 second autonomous period at the beginning I figure most people are going to program their own sensors, but is it legal to have sensors provided pre-built to you?
Do you mean pre-programmed? If so, by whom? All of the sensors we have in the kit could be considered “pre-built” as they are already assembled…
takes the fun outta it 
yes, certainly, my apologies pre-programmed.
In that case, I’m not sure how you would do it as all programming must go through the Robot Controller as it is the only place where motor speeds, etc can be modified legally. I’m probably going to add some extensions to RoboGUI to let teams generate autonomous mode code quickly without touching a single line of PBASIC.