I know, I know!!! gerbil races!!!
Beyond that though. . .
Perhaps (I may have mentioned this before) the ability to compare components within a troublesheet, either side by side, or transposed one over the other. (i.e. relays, identical function chips, etc...) And I'm still waiting for that "skip component" and "reprobe" opens button.
And flying pigs, and governmental fiscal responsibility, and the winning lotto numbers, and. . . .