JCPenney offers the Orion 10-Piece Full Comforter Set in Black/Silver for $116.99. Coupon code "RMN15" drops it to $99.44. With free shipping, that's a $160 savings and the lowest total price we could find.
Of note, it's also available in King for $114.74 after the above coupon. With free shipping, that's $185 off and another price low.