Logitech Z-5500 THX-Certified 5.1 Dolby Digital & DTS Speakers for $279.97 Shipped

Logitech Z-5500 5.1 Dolby Digital & DTS Speaker System for $279.97 shipped.  Here is a screenshot for your reference.  This 6-piece system includes a powered subwoofer, center channel and 4 satellite speakers.  More information is available here.  Others usually sell this speaker system for over $375.