FO's aren't leaving quite as fast as they were a few months back. To some the grass might not be as green as it was originally percieved "off" company, upgrade times are low right now (they won't stay there) but some FO's probably don't believe this and think they can upgrade in a year, when realistically it'll be closer to two.
Wear a suit to the interview, if you dont have one, buy one. While it's not required by any means, you'll use it for your next interview anyway, navy is the color, white shirt, red tie. All of which will come in handy if you decide to make the jump to chautauqua in two months. Best of luck, it's easy, don't sweat it.