As one of its daily deals, PricePlunge offers the refurbished D-Link Powerline AV Mini Adapter Kit, model no. DHP-311AV, for $18.99. Coupon code "SPRING5PLUNGE" cuts it to $18.04. With $3.99 for shipping, that's $8 under our mention of a new kit from last fall and the best price we've seen. (It's currently $14 less than a new one.) It features speeds of up to 200Mbps. Deal ends today.

Of note, no warranty information is provided.