I just read this article about Fastway Couriers using drones to delivery parcels in Auckland:
http://www.nzherald.co.nz/business/news/article.cfm?c_id=3&objectid=11468563
It all looks very cool, and as the article notes, NZ is looking like a good testing ground due to out legislation. Here is a direct link to the video showing a drone delivering a parcel in 4 minutes vs. a courier to the same location in 18 mins:
https://www.youtube.com/watch?v=nHX2qo0P7gY
All very exciting!