Re: no way to power off bluetooth once turned on

> The problem is that once you do that, there is no way to power it back
> down, until perhaps reboot.

the right way (tm) to do that with debian/fso is using dbus/framworkd  
calls. have a look at the wiki for mdbus, there are very close examples  
which should give you the idea.
additionally, the openmoko-panel-plugin allows for this kind of thing via  
a gui.