I was with my brother this afternoon, and he told me the main reason he disliked Fedora Core was the absence of a central system control panel. So, I hacked this bash script to gather to give a GUI to all the system-config-* tools out there.
Remember, this took me 2 hours to learn about zenity AND kdialog AND code, so it's a bit of a hack <cough> a lot </cough>
Without further ado, I present to you, system-config-controlpanel: