Newegg offers the KWorld ATSC USB 2.0 Hybrid HDTV Tuner Stick, model no. UB445-U, for $24.99. Coupon code "CLEAR20DEC" cuts it to $19.99. With $1.99 for shipping, that's the lowest total price we could find by $18. The tuner enables HDTV on your PC via the USB port and features up to 1080i resolution. Offer ends December 31.