May 5 SecurityFocus: Live CD Paradise
"There are lots of these security-focused Live CDs out there. You can find an excellent enumeration at The LiveCD List - just use the filter that interests you, and you'll find something."

April 20 NewsForge: LWCD Toronto: Day 2
February 2 Yet Another Linux Blog: The List of LiveCDs

November 23 Slashdot: Best Live Linux For Christmas Giving?
July 28 IBM Developerworks: Spin up a Linux LiveCD
February 18 Slashdot: Giant List Of Linux-based Live CDs