Weme via Amazon offers its Weme 3-in-1 Mini DisplayPort to HDMI/DVI/DisplayPort Adapter Converter for $9.99. Coupon code "QR2K3P8C" drops it to $4.80. With free shipping for Prime members, that's $1 under our March mention, $8 off, and the lowest price we've seen. Compatible with Thunderbolt 2, it supports video resolutions up to 1920x1200.