Microsoft Windows Home Server 2011 (64-bit) for $42.99 Shipped

Microsoft Windows Home Server 2011 (64-bit) for $42.99 shipped after promo code EMCYTZT1369.  Here is a screenshot for your reference.  It provides image-based back up of every home computer every day, so you can restore a single file or an entire computer as well as other extendable functionality.  Most places have it for about $52.