Groupon offers the refurbished Samsung 500-watt 5.1 Blu-ray Home Theater System
, model no. HT-E3500, for $129.99
with free shipping
. That's the lowest total price we could find by $100. It features 500 watts of total system power into five speakers and subwoofer, 3D Blu-ray disc player, HDMI input, and built-in apps for Netflix, CinemaNow, YouTube, Vudu, and Pandora. Deal ends November 5.