http://www.hackfromacave.com/katana.html
Katana is a portable multi-boot security suite designed for many of your computer security needs. The idea behind this tool is to bring together all of the best security distributions to run from one USB drive. Katana includes distributions which focus on Pen-Testing, Auditing, Forensics, System Recovery, Network Analysis, Malware Removal and more.

Powerful and wonderful.