In next week's TV GUIDE, there are some LOST articles featuring Naveen Andrews and Elizabeth Mitchell. Of more immediate interest, however, is a page of cast questions to the executive producers/head writers about many of the LOST mysteries.
spoiler
One of them asked if Aaron is considered one of the Oceanic 6, and the answer was that this fact had yet to be determined (in other words: maybe yes/maybe no).
They also revealed that by the end of this season, the 6 who are getting off the island will be off and there will be explanations about what happens to those survivors who don't get off.