I kinda like having feild elements that can break. It means your robot and drivers need finesse. Also every time somthing breaks everyone will give you an OOOOOooooooo. Granted it sucks as far as running the competition, who wants to have 4 times the amount of feild elements than are on the field to ship around. Of course if they are small enough, who cares!?
I would like to see the playing surface change. Maybe, a hdpe floor, or painted metal, some glossy, some grippy. But that would make it tough to ship around, and for teams to set up. Maybe interlocking floor material.
I would love to see some very creative game element like the floppies in 1999. I liked how they deformed when you tried to do anything with them. Maybe get thoes hot dog shaped
Microbead pillows in different sizes and you make beds for the voulenteers to sleep on?