Supposedly 3D is jaw dropping on OLED TVs and this comes from people who have hated 3d on everything else....
I can confirm this, I got the LG OLED65E6V about 2 months ago, quite simply, the best 3D i have ever seen, in and outside of the cinema. I would say if everyone saw 3D like this at it's inception it wouldn't have failed.
It's one was the best purchases I have ever made and don't regret a single penny of the £3000 i paid for it.