It's always important to check out a reseller at
http://resellerratings.com before buying online. The camera-selling biz has been notorious for bait-and-switch scammers since the early days of mail order sales. In fact - the venerated B&H Photo, one of the prototype mail order places, was well-known for this practice too, back then. I have first-hand experience with those tactics from B&H back in the late 70's. Not any more, however...they are uttlerly scrupulous and reliable these days, as reflected at resellerratings.com.
These companies do business under several different names. There is a guy named Don Wiss that lives in New York. Over the last several years, he has been driving around Brooklyn taking pictures of NYC camera stores that advertise online. His photo website is
here..... and below is a picture of shopdigitalonline.com's storefront. And
here is the info on that building, which is at the address that shopdigitalonline.com noted on their website under "contact us" . Don was actually
written up in the New York Times for this project. Because of Don Wiss, many of these scammers now don't list their physical address on those sites.
And for comparison, here is a picture of B&H Photo in Manhattan