Version: 1.2.2 (using KDE KDE 3.2.3) Installed from: Gentoo Packages There are no nodes in component diagrams. They would be really helpful to be able to group the various components together. The look would be something like the following: http://www.visualcase.com/kbase/component_diagram.htm
As far as I can remember Nodes are not allowed in component diagrams. Use a deployment diagram.