No you can build your custom components, and they will be like first-class citizens with the out of the box components.
To build a new custom component you can use the Maven archetype - camel-archetype-component
In the upcoming Fuse IDE 2.1, we have a wizard to make this easier, as well.
And if you attend CamelOne next week, then I will show and talk about this in my talk.
Many thanks. No, unfortunatelly for me I won't attend but I'll buy the DVD with the presentations. Good luck next week at CamelOne.