If you're selling stuff, why not place it free on the Spend Bitcoins classifieds? It has just been added to our top menu at
http://spendbitcoins.com, and here are our stats for the last month:
7,476 Visits
11,950 Pageviews
1.60 Pages/Visit
That's a lot of potential people to see your ad, and there's not much competition yet. Only 3 ads there so far!
Happy spending!