An article in today's Australian says that Emirates and Virgin Atlantic are looking for a strech version capable to taking 1000 passengers
I've also found the FF service centre very helpful on a recent trip to Paris they had 2 upgrades available and worked with me to use a combination of points and about to exprire upgrade credits to minimise the cost to me.
Not too worried about it, had to have the same info on my "Alien Identity Card" some years ago while living in Japan. If the Americans feel safer doing it this way, certainly won't stop me going there.
Last year returning on QF from London my partner and I had 4 seats between us all the way to Sydney, we had been wait listed for an upgrade but when this didn't come through on check in they promised to give us the extra room if at all possible, which they did.
My partner always doubted the worth of joining , but I instisted being lowly Bronze doesn't get you any perks but the points keep accumulating from the aoccasional trips to visit family and a few for work and now there's a healthy balance that will provide this years holiday