Who wants to be the first? http://www.bbc.com/future/story/20120405-supersonic-jets-ready-to-take-off
Price of the ticket? I assume they will all be first class or business class. As long as my company approves the fare, why not? My boss flies to Indian a few times per year, I am sure he would love to take a much shorter flight.
I was intrigued by the article but when I read that passage I was irritated someone devoted some ink to this. The crackpotedness reminded me of this Chinese transit concept (to solve the problem of transit vehicles being stuck in mixed flow with automobile traffic) which briefly got some play last year: