I'd want any robot named Valkyrie to be able to turn into a jet.

Superhero robot .. Moves like a stick insect.

Still if any other tech is a good indicator of progress the interval between the 'barely works' stage and the 'outperforms a human by several orders of magnitude' stage is quite short.

Eg. guns, cars, computers etc.

"What more would you want?"

Uh, a demonstration?

The NASA meatball arc reactor is a nice touch