LEGO 10221 Star Wars Super Star Destroyer for $319.97 shipped.  Here is a screenshot for your reference.  The set includes Darth Vader, Admiral Piett, Dengar and Bossk minifigures as well as IG-88. It measures nearly 50" long and weighs nearly 8 pounds. The entire set has 3152 pieces.  Most places have it for about $399.