Ah, Lofty, I see.
Well, I would like to see a good 50% of the grid being girls for a start.
How about getting rid of the catch fencing and replacing it with fencing that jumps up if it's needed?
How about a box of electronics that keeps you wide awake when you want and you just change the setting to sleep later?
Looks more ambitious, how about the ability to influence the weather. One microclimate for the track, another for the spectators?
Or more prosaic, how about free wifi and the ability to tap into the telemetry of the cars?
Aricus