HP Pavilion p7-1010 Desktop PC for $399.99 shipped.  Here is a screenshot for your reference.  This is a well loaded desktop PC that comes with an AMD quad-core Athlon II processor at 3.1GHz, 6GB RAM, 1TB hard drive, wireless 802.11b/g/n, media card reader, Windows 7 Home Premium (64-bit).  Most places have it for about $449.