I have this 3-in-1 display adapter, which identical to this:
http://smile.amazon.com/Display-Converter-Adapter-Surface-Makibes/dp/B00KXTDSGQ/ref=sr_1_4?ie=UTF8&qid=1415509335&sr=8-4&keywords=mini+displayport+to+vga+hdmi+3+in+1

It should work with MacBooks, Surface Pro, etc. Anything that has a MiniDisplayport output and will allow you to connect to a projector, extra monitor, tv, etc.

I'm selling it for $5.