Originally Posted by
ft101
7J without a doubt.
Avoid rows 6 and 8 as the tv is poorly positioned.
The bulkhead TV on 77W (renovated) are big and fixed on the panel.
They are no more of stored type (those ones don't let you watch movies during take-off and landing

)
By "poorly positioned", you probably mean that you cannot adjust it ? It is true that it is not ideal when you are on bed position.
Anyway, usually I book 7A on 777 and try to get 6A at the airport. One main reason : I can disembark faster.