"you should get something back eventually. "

After the taxman and the VATman and the secured creditors have taken their cuts. You'll be a long way down the queue, and will probably only receive a fraction of the voucher's face value. Don't hold your breath.

Your best chance is that the business is acquired and the new owners agree to honour the vouchers in the hope of retaining goodwill and future business. However the collapse of Blockbuster suggests that the days of record and video shops is now over. Of course, there may still be a place for the independent specialist retailer - let's hope so.