There is a zero percent chance that anyone gets a refund anytime soon. Why would you think that he has the money to refund everybody? If he knows that he can't refund everybody, he knows that he will be going bankrupt. He has probably talked to a bankruptcy lawyer already. The FIRST thing a bankruptcy lawyer will tell him is, DON'T GIVE ANYTHING TO ANYBODY. The court will sort it out. This is written in stone advice from bankruptcy lawyers. The next advice is, don't file for bankruptcy until you receive the first lawsuit. From then, he has 30 days to file. All the while, whatever money is left, IS STILL AVAILABLE TO HIM.
My guess is that your pre-order money is now paying for his lawyers' retainers. If you paid by check, you may have to actually show up to the bankruptcy proceedings to get your money back.