I saw This cute link - it contains a demo showing how the trains are in london, and what the performance of the system is like there. I would love to see what it is like in Sydney with CityRail.

Time for lunch I think... The meeting is going well... I am at Darling Harbour... The GPRS is too slow but it does work. I am trying to send a 1.4 mByte file through GPRS right now and it is taking about 5 minutes to send or so.