While the first batches of the Nikon D4 cameras included a free Sony 16GB XQD card and reader, it was reported later on that the new shipments of the D4 did not include the card or the reader. Early speculation was that only the initial shipments to Nikon Professional Services (NPS) members included the XQD card and the reader.
Today, I received my D4 and included inside were the card and the reader, so I called the store where I bought it and was told that Nikon is still shipping some with them. They said that their Nikon rep indicated that there is no different part number or special order number differentiating between camera only and camera with XQD card bundle. The representative indicated to them that he does not know when or how the card/reader promotion will end.
It appears that there may be an inconsistency in how Nikon is handling the Nikon D4 shipments. For now, I can confirm that some of us are still receiving the Sony XQD card and the reader, at least here in the US.
We will have a full review of the Nikon D4 within the next few weeks.