Originally Posted by
mnredfox
I loved it out west. Urumqi is awesome, but make sure you make it to Kashi/Kashgar (moondog has good info about there). Qinghai is another great area, as is Yunnan (Kunming, Dali, Lijiang, etc).
Unlike Xinjiang, Qinghai, and Gansu, Yunnan is a hot tourist destination for Chinese people. As such, I probably wouldn't go there during the October holiday.