Iwould think just for weight, and mass alone, the Super Platter probably had no peer.
For any who would want a true "super platter", maybe give Thom Mackris a ring. I'm sure he'll put you into a Galibier Stelvio Platter, and Bearing. A whopping 42 lbs should do the trick! A massive .800" Bearing Shaft, and I'm sure a simple trip to a local machinist to drill out your Plinth, and your ready to go.
Not sure of the "depth" of the Galibier Bearing Well, one might need some taller Cone Feet? lol Mark