I've only managed to watch the first minute of the trailer but it sounds interesting! I would love to do the same journey and then on to the Transiberian!
For those of you who love to travel, you might already be familiar with www.seat61.com. I used it today to find out how to book train tickets in India (off there in Novmber) and saw this...he's making a TV series and heres the pilot episode:
http://www.guerilla-films.com/man-in-seat-61.html
Can't wait until this comes out!