March 22? You better put some stained glass on your house 'cause you will need a lot of patience. As best as anyone can tell people who ordered on March 6 have mostly not received their orders yet. You are looking at summer at best, fall/winter at worst.
While we twiddle our thumbs and dream of the day our D800 will arrive, I wasted some time LiveChatting with Paige at OneCall. I alerted her to the error of OneCall's ways (titling the product description page using the words "In Stock at OneCall.com."
Paige assured me she would pass my concern on to the IT dept. No doubt they'll have it fixed by the end of business today.