I will be in Hong Kong for two nights and one day on which I intend to follow this itinerary:
http://www.flyertalk.com/forum/13337861-post18.html
For required local transport it looks like I may need an airport express roundtrip ticket, along with an adult loan octopus card, or an adult sold tourist card. What is the best option, and what is the best process to get this going smoothly?