Here’s a whole bunch of resources for China travelers and Ex-pats, enjoy.
Trover features an easy to use pinterest style interface for perusing travel photos of China, plus map
http://seat61.com loads of advice on train journeys, train types, stations, seating configurations and more.
http://www.chinahighlights.com Book China train tickets online
http://www.cnvol.com/ – searchable train schedules
http://en.wikipedia.org/../../../File:Rail_map_of_China.svg – Rail network map including High Speed Rail