Here are some relevent urls for myself.

weblogs on java.net

Weblogs on AKC (covers much broader spectrum)

Articles at O'Reilly's onjava.com

Write web logs for java.net

http://staff.develop.com/aarons/default.htm

I haven't read his books on XML, but has written some of the best XML articles I have read.

http://www.research.att.com/info/ark

One of the best in writing technical articles. Particularly his writings on C++ are quite a class by themselves.

http://www.research.att.com/info/Projects

http://weblogs.java.net/cs/weblog/home/

Authoring page for java.net logs

http://www.oreillynet.com/pub/au/176

Description to be entered

Java.net Today Archives

http://www.oreillynet.com/pub/au/187

http://today.java.net/pub/au/23

1. Don Box's new home

2. http://www.gotdotnet.com/team/dbox/

Needs no introduction. A trove of information.

3. Don Box's wiki

http://usefulinc.com/edd/blog

Editor of xml.com

http://weblogs.java.net/jag/

http://java.sun.com/people/jag/

http://kevinj.develop.com/index.jsp

Works at developmentor

http://www.microsoft-watch.com/article2/0,4248,933657,00.asp

This is a link taken from PCWEEK. Not sure how long it will be active.

http://www.intertwingly.net/blog/index.html

Blogs, RSS, etc.

http://blogs.apress.com/authors.php?author=Steve%20Anglin

http://staff.develop.com/halloway/weblog/

Works at Developmentor

http://www.neward.net/ted/weblog/index.jsp

http://staff.develop.com/neward/

Works at developmentor

http://philip.greenspun.com/wtr/index.html

A very interesting series of ideas on online web communities

http://cafeconleche.org/

Lot of XML based resources