Best seat is not on OZ if you are tall!
First time on OZ 777 with new seats. I thought they were HORRIBLE! I am about 6ft tall (182cm) and there was not a single position of the seat that I found to be comfortable. Closest to comfort was either fully upright or only slightly inclined. Otherwise, would need to leave metal bar for footrest folded up and let legs dangle, or would have to bend knees and extend legs to both sides of seat (thankfully no one next to me) to fit.
Unbelievable as it may sound, I would rather be in UA's old crappy business seat than this one.
On plus side, OZ's service was excellent, food and wine very good.
The IFE left a lot to be desired - large screen, but not a very crisp image, plus there were frequent total dropouts of audio on the Korean movie I watched.
OZ biz is for SHORT people.