Let’s see–2 continuous-turn pots on the drive and 1 10-turn pot for the arm, plus a gyro and (I think) 1-2 accelerometers. I think you mean no vision sensors.
(Well, and no other really cool sensors.)
I think that the best robot overall is the one that works the way it is designed to. To further separate that is almost pointless, though I’ll add that the best one is the one that inspires the most people.