have you tried the eBay “Want it now” section? It is a great place to visit, even if all you do is browse through the crazy things people want. Some are so unusual and others so small and worthless that no seller would ever be interested in offering them on eBay.
It can however be a great place to advertise your items even if the original buyer searching for them has already bought. Search through your category and place your items under as many as possible, it certainly won’t result in any less hits to your auctions.
There is the possibility that you may actually have an item that is wanted, so the facility is good for market research as well, some would be buyers also indicate how much they are willing to pay. Take a look, you never know!