The casual reader of news.opensuse.org knows that openSUSE 10.3 contains a YaST tool for creating images using KIWI. However, it is not that known fact that openSUSE 10.3 contains much more tools to manipulate RPM-based software and wrap it into a numerous ways for delivery, from a simple repository to a complete appliance creation. The picture below describes how the tools fit together.
http://news.opensuse.org/?p=478