While I haven't flown the new 767 lie flat seats I did fly the 777LR lie flat angled seats in J to Mumbai last year and while the seats were still a bit "hard" I attributed this to the fact that they are new. Given time I expect they will be broken in a soften up a bit making them a little more comfortable. With regards to others who say they would prefer Y and a sleeping pill over the J lie flat seats, more power to you since it will free up J for those of us who still prefer a little extra comfort and privacy on a 10+ hour segment. While I am only 5'10" I do have wide shoulders and the thought of snuggling up to a stranger in Y while listening to Beethoven's 6th symphony of snoring from everyone else in Y is not my idea of fun compared to slight discomfort with much more privacy in J.