The implication to a significant commitment to and change of style is threefold:
1) Different formation/strategy.
2) Different selection/evaluation process and roster.
3) And (quite possibly) different coach.
Also, forgetting about WINNING the Olympics (unless it's purely as an effort to send people out as winners) and thinking 4 years down the road, when, in all likelihood, such stalwarts as Rampone, Boxx and Wambach will be honorably retired.
In the immediate future, regardless of style, we must develop AT LEAST two central defenders and two poession-style attacking central midfielders.
In the back, Rampone, I suspect, will retire. And Buehler, barring significant improvement, is nowhere near good enough. I see Krieger and Le Peilbet as "maybes."
Our current interior midfield of Boxx and Lloyd (as a pair) just aren't in step with the current game. They're both 1999-style bruisers, as opposed to 2011-style quick-footed technicians. As Boxx will retire, finding a new partner for Lloyd is probably the direction to take.
