I was equally surprised, as I noted in the other thread I started today regarding starting a DONE5 in South Africa... its pretty impressive how much cheaper it is.
The only thing that I'm still trying to ascertain is whether there are some crazy high taxes or something local that will bump up the price in the end; I seem to recall somebody posting that certain countries hit you especially hard when you go to ticket (outside of the normal fuel surcharges, airport taxes, etc.).