That’ll add a year or so to the launch... Sniff /s
By then (2014), airlines operating the oldest B777’s [this excludes the -300ER, -200LR and partly of the -200ER population] will probably be deciding whether to go 1. More B777’s or 2. try out the A350 XWB family [which is what nAirbus is counting on-their A350 XWB to be a B777 competitor]