Do you Xfocus?
One website I regularly check out is Xfocus.net. They are a pretty famous group of Chinese hackers. If you have been in security for a while, you may have seen some of their exploits posted to bugtraq over the last few years.
Take example some good posts from 2006:
Reversing Kaspersky Antivirus (english)(chinese)
A really creative way to play with saved frame pointers in stack overflows exploits (english)(chinese):
A hacklog for a when some guy rooted hackerschool.org (english)
Here is a good one for all you web app pen-testers:
Netcat implemented in perl (perl):
Lots of other good stuff in there. Highly recommended!