The event is happening this weekend, Sat & Sun from 11-6pm. A slate of performances is scheduled on both days, check the NADA website for details and a list of participating galleries. There are also some "after hour" events happening on Saturday evening including a reception taking place at Club Helsinki.
...And if you happen to be up in that area, the Thompson Giroux Gallery is inaugurating a new space in Chatham, NY with an opening reception for a group show on Saturday, July 30 (4-7pm). Artists featured in this exhibit are: Peter Acheson, Rick Birkett, Claude Carone, Dan Devine, Carol Mangan, Melissa Sarris, Arthur Sordillo, Marion Vinot. The gallery is located at 57 Main St, Chatham, NY 12037.