Foxconn Tiny PC NTA350-0H0W-B-A-NA for $149.99 shipped.  Here is a screenshot for your reference.  It features a AMD dual-core E-350 CPU, 4GB RAM, AMD ATI Radeon HD 6310 graphics, gigabit ethernet, 802.11b/g/n, USB 3.0, video output for HDMI, VGA, and DVI as well as a media card reader.  Most places have it for about $184.