Weme via Amazon offers the Alxum 4-in-1 Mini DisplayPort to HDMI/DVI/VGA Adapter with Audio Output Converter in White for $14.99. Coupon code "RFVA3LMX" drops it to $6. Plus, Prime members bag free shipping. That's tied with our mention from a month ago and the lowest price we could find for such an adapter by $5. It's Thunderbolt 2 compatible and is intended for using only one output at a time.