Also from RANDFor some less-strident but substantive analysis on the Chinese naval buildup, here's a link to the very informative report written by the Office of Naval Research.
http://www.onr.navy.mil/about/docs/0703_naval_st_strategy.pdf
Also, here's a link to a study by RAND that shows the Chinese strategy isn't based on "sweep", but playing "zone."
http://www.rand.org/pubs/monographs/2007/RAND_MG524.pdf
Keeping the Pacific:
An American Response to China’s Growing Military Might