Yes, this is frustrating. There are 84 dealers / 781 listed that have had 0 or 1 SX Prestige vehicles delivered. If Stephen doesn't see it- it is unlikely to arrive before March. Many are smaller dealerships. If they haven't cashed the check - you can always stop payment on the check and then tell them you want to cancel. But, before you go that route, I would try to find your desired vehicle from another dealership (or place an order from a higher volume dealership who can get it faster). You'll have to work the phone - and it will be frustrating - but not impossible. The inventory spreadsheet we have on the forum will help you narrow down allocations of your desired trim.
Sorry for frustration... if I can help by searching through the spreadsheet for you, I will.