[karl@da-yu opt]$ fusion-icon -unv
 * Detected Session: unknown
 * Searching for installed applications...
 -- /usr/bin/compiz
 -- /usr/bin/xfwm4
 -- /usr/bin/gtk-window-decorator
 -- /usr/bin/kde-window-decorator
 -- /usr/bin/emerald
 -- /usr/bin/ccsm
 -- /usr/bin/emerald-theme-manager
 * Opening CompizConfig context
Backend     : ini
Integration : true
Profile     : default
Adding plugin decoration (decoration)
Initializing decoration options...done
 * NVIDIA on Xorg detected, exporting: __GL_YIELD=NOTHING

--and after a sudo pacman -Syu...
[karl@da-yu ~]$ fusion-icon
Traceback (most recent call last):
  File "/usr/bin/fusion-icon", line 57, in <module>
    from FusionIcon import interface
  File "/usr/lib/python2.5/site-packages/FusionIcon/interface.py", line 22, in <module>
    import dbus, dbus.service
ImportError: No module named dbus