After successfully running genome-bootstrap a Koan process will be started (that is, unless you specify --config-only). You can watch the installation the same way you watch any Xen guest. See the Xen documentation for more details.
Once it's finished start the guest back up to allow the /usr/sbin/genome-firstboot
script to run. This behaves exactly like the normal firstboot script on a Red Hat based system.
See the appendix for information about logging in to koan'ed machines.
It's also possible to bootstrap a machine that already has an OS. See the cookbook to see how this is done.
Consistent machine provisioning in the Genome is vital for efficient team collaboration. There should be no post provisioning instructions needed to bring up a working machine. The process for creating a Jboss ESB machine should be the same as a node on the Selenium grid.