Although this doesn't make any sense for me, because according to FedEx my iPad is already in Ontario, CA, I've found 2 different sources saying shipping has been delayed to March 19.
http://www.geekosystem.com/new-ipad-preorder-sold-out/
http://www.gulf-times.com/site/topics/article.asp?cu_no=2&item_no=492102&version=1&template_id=43&parent_id=19
http://www.geekosystem.com/new-ipad-preorder-sold-out/
http://www.gulf-times.com/site/topics/article.asp?cu_no=2&item_no=492102&version=1&template_id=43&parent_id=19