If flying Y I'd look closely at the aircraft type you'd be flying on. If the 380, I'd prefer EK, but if the 777 I'd go with TK. 3-4-3 isn't my idea of comfort on a 777. The TK 350 would be nicer IMO.
If flyng J, I'd only ever fly EK if it were a 380. The TK J product isn't the greatest by any...