DVC is very difficult to book on last two weeks and the act of booking commits the points to use as there are penalties to cancelling 30 days out.
This is why David's won't book in that window and most other DVC owners won't, either.
That said, sign in and go to the rent/trade board (can't see it if not signed in). There might be an owner with distressed points (about to expire) that can help you.
Try Disney's site and try offsite. Orlando is over-glutted with timeshares and there are always last minute deals.
Try tugbbs.com for a last minute off site deal
Try booking directly with WDW. You never know. This close out, call instead of looking at online inventory. Those start to not be accurate as you get close.
There are always housing options. Consider finding housing an adventure and not an obstacle to going.
