I am completely addicted to Craigslist. It's such a great place to find (almost) anything you're looking for. In our apartment, we have several pieces of furniture (and a cat) that have all been nabbed from Craigslist.
Although Craigslist is a great site, it's really important to be safe. So I always make sure I speak directly to the person on the phone, and I bring someone else when I'm going to pick something up. If you haven't yet tried Craigslist for your small space needs, check it out!
Here's my latest find: A totally retro and very heavy, mid century modern end table...
and I got it for only $20!