Here's a collection of links from the other pages of this site, and plus a few more for good luck. Hopefully you can find what you need.
General Travel: Lonely Planet Thorn Tree
Maskofchina.com
Study Chinese:
Online sample HSK test
China Scholarship Council
Chinese Dictionary Software
Visa Information:
Types of Chinese Visas Dave's ESL Visa Chat HK Visa Shopping What is a "Foreign Expert Card?" State Administration of Foreign Expert Affairs
Expat communities:
eslcafe.com's forum
Travel China Guide forum
China Blog List
Flights:
flychina.com
airasia.com
elong.net
Photo & Video Sharing:
photobucket.com
flickr.com
youtube.com