Juliette being a fertility doctor gives more indications that the Others cannot have kids. Who else but Ben could be the 40 year old man that has a tumor?
Despite her denial, we got confirmation on who Kate wants. It also indicates that the Others want them to have a child.
Desmond can remember the future.
WE are not Killers said Ben. That is the reason they see the Losties as the bad guys.
Oh! That water hazard makes for a difficult driving hole!