Ummm...actually if you take a look at http://www.nba.com/rockets/schedule/ You will notice that both games from China will be televised on ESPN. Woops take that back...thought you guys were talking about the Sacremento Games...My fault I believe the game will be on 51 because all of last years pre season games were on that if i am not mistaken.
All the preseason games will be televised on channel 51. Some of them may be overridden when ESPN broadcasts, but, like last year, there may be two broadcasts - one local and one national. The TV schedule hasn't been announced yet, though. Just realized that this has all been discussed in this thread: http://bbs.clutchfans.net/showthread.php?s=&threadid=84745