here is a little video of a person testing the Hong Kong track in the Asia Game Show in Hong kong. It's a little dark, but it's something. So don't diss about the quality, i would also like it to be better.For those who knows chinese, you can listen to the narrator talking little about the track.
http://www.hkgt.org/gt4p/gt4p.wmv
(about 12MB)
http://www.hkgt.org/gt4p/gt4p.wmv
(about 12MB)