i would renew. yea your extension is quite unpopular, its a great keyword, and has 3 chars!
i would renew, and work a bit harder this year towards a quick sale, even if its a cheap one. you obviously don't value it too much, otherwise this thread wouldn't exist. if you can sell it this year, you make some of your money(or all and/or more) and you depart profitably with the name.