Groupon offers the factory-refurbished Roku 2 1080p Wireless Streaming Media Player, model no. 2720R, for $39.99. Coupon code "HOT3" cuts it to $35.99. With free shipping, that's $4 under our mention from four days ago and the lowest total price we could find for a refurb unit by $18. It streams 1080p HD content from Netflix, Amazon Instant Video, Hulu Plus, VUDU, M-GO, and other media apps. Features include 802.11n wireless, a remote control with headphone jack, and HDMI. A 90-day Roku warranty applies. Deal ends July 21.

Note that the coupon can be used up to three times per account.