I've personally only used the one at the Gristedes in Sheridan Square, but based on their locator (http://www.amazon.com/gp/css/account/address/view.html/ref=lo

I've personally only used the one at the Gristedes in Sheridan Square, but based on their locator (http://www.amazon.com/gp/css/account/address/view.html/ref=locker_hp_search?viewID=searchStores http://www.amazon.com/gp/css/account/address/view.html/ref=l...) it looks like they have a good 15-16 in Manhattan and 3-4 in Queens/Brooklyn.