I have read post#19 suggesting that booking on SN one will be charged the fuel surcharge, but you say that this is not the case.

I ask, because I am planning a trip for my family and myself for 2 weeks during March, where we go to IST and DXB. Fuel Surcharge may be a component of the decision making process - I have no issues going via USA (now that we have nexus/GE).

At least one ticket will be paid business class (ie me). So, from a class of bonus point of view, that limits the options to AC or now LX (non P class). If we take the surcharges into account, that limits the international component to LX or TK.