Lenovo ThinkServer TS440 70AQ0009UX Server for $299.99 shipped.  Here is a screenshot for reference. It features Intel Xeon E3-1225 v3 quad core processor at up to 3.60GHz, 4GB DDR3 RAM, and SuperMulti 8x dual layer DVD drive.  This may work well for those who are looking to build a home server. Most places have it for over $680.