Now in its sixth edition (not counting last fall’s experimental project fair), Independent New York has near cult status among art world insiders, consistently serving up intriguing, original contemporary art in the midst of Armory Arts Week. With Center 548’s layout in Chelsea breaking away from the traditional booth format, browsing the art is a less regimented experience, closer to a free form exhibition than a fair. This year, Independent hosts 50 galleries and nonprofits representing 14 countries, with most coming from New York and Berlin. A resolve hangs in the air to make it count: This is the last time Independent will be held at Center 548, which has been a focal point for the arts since Dia took ownership in 1987. A new owner plans to tear it down and build condominiums.