Hi thanks so much for this detailed response! Your experience is very close to mine but I've had mixture of led TVs from the Sony 930e which had shocking clouding. The Panasonic ex700 was dull. The Samsung mu7000 was pretty decent but was faulty and no more stock to replace! So got the sj8500 like u said IPS panel appalling viewing in a dark room. So yeah I wanted a oled each week going into shops seeing them but still can't commit with the horror stories of vertical banding etc. So I settled on a Hisense u7a very average performance and bad DSE So that went bk.The b8 comes back into my head or the Sony xf900.. after your feedback and others it sounds like the Sony is for me! Just missed out on the offers so will wait now till black Friday.
Forgot to say the edges don’t look dark to me seems to be a good even back light. they should ban edge lit TVs lol