I must be the odd one out. I've travelled on BA 777 & 787, QR A350 and A380, QF 787, A330 and A380 and SQ A330 & A380. I'd rate my preferred aircraft type as A380, A350, 777, 787, A330. I know that the 787 is pressurised to a lower altitude than the 777, but I liked the extra space. For ultra-long haul, the 787 feels most like a narrow tube.