I'd threaten to take your deposit back.. If they start to give you ****, threaten them back by telling them ,you will contact Nissian of America.
Now this might speed things up.. or not...?
NOA is who they are getting your car from. NOA (Nissia Of American) can also probaly locate the options you want with another dealer.. or you might be able to purchase the car from NOA.. however you might have to pick up the car at your local port which might not be so close to you.. just my