Hi and welcome to the board. Assuming you mean NY City as the state is pretty big and NYC to Buffalo is a good 8 hour driving trip! I think for Kaffe, you may be better off shopping on line. The prices are much better. Fabric.com has a great assortment of Kaffe fabrics. Here is a link
http://www.fabric.com/quilting-fabri...FWxp7Aod1w8AnQ
You could also try going to the garment district for fabric. Here is a great blog by Paula Nadelstern on it.
http://www.paulanadelstern.com/fabric/guides/index.php