The print quality of the sample will allow you to judge the professionalism and operation of that specific poster printing business in NYC. Besides your mass-market websites like Shutterfly and Ofoto, in addition, there are some slightly more expensive websites. You need to try to remember that a high quality product is still made from creativity in photography.
The reward of a digital camera compared with a normal camera is you do not need to be worried about developing the pictures that you don’t like. The standard of inexpensive photo printers has increased a good deal in the past few decades. Taking beautiful photos aren’t enough.