Ctrip is a demographic play in China and not just a China play. Younger people in China travel more than older people. As they age they will continue to travel.
Ctrip is the leader in its category.
The Q4 2007 analyst call was very informative http://web.servicebureau.net/conf/meta?i=1112973849&c=2343&m=was&u=/w.xsl
I like the medium and long term opportunity here