How about $40/kg cargo into LEO? This tech could have vastly larger capasity and speed than with Space Elevator. And it is a little bit cheaper, well in reach of current engineering and does not require exotic nanomaterials that do not exist in required scale nowhere near in the future if never. Holiday in the stars: Space train could send four million people a year into orbit by 2032
http://www.dailymail.co.uk/travel/article-2113668/Space-holidays-Space-train-send-million-people-year-orbit-2032.html ―Jouni
