Buy.com via eBay offers the Samsung 600-watt 5.1-Channel 3D Wireless Home Theater System, model no. HW-D650S, for $249.99 with free shipping. That's the lowest total price we could find by $86. (Most places charge around $400.) It features 600 watts of total system power into four satellite speakers, a center-channel speaker, and a subwoofer; Dolby TrueHD, Dolby Pro Logic II, Dolby Digital, and DTS-HD decoding; 2D-to-3D conversion; built-in WiFi; Samsung Smart TV; iPod dock cradle; one HDMI output; four HDMI inputs; and more. Offer expires February 5 at 11 am ET.