Sabrent via eBay offers its Sabrent Mini DisplayPort to HDMI Adapter
, model no. DA-MDHA, for $4.79
with free shipping
. That's tied with our mention from two weeks ago as the lowest total price we've seen. (It's the best deal today by $4.) It supports video modes up to 4K and up to 8-channel LPCM/HBR audio, and is compatible with a range of Mac and Windows laptops, desktops, and tablets.