On Mon, 2010-06-14 at 10:26 -0700, Brian Gerkey wrote: 
> 
> > This brings to mind another stack question, right now it appears that
> > there is no way to easily determine what is the installation directory
> > for a stack.
> 
> Are you looking for 'rosstack find foo' (http://www.ros.org/wiki/rosstack) ?
> 
> 	brian.

I'm looking for one level above that, except as far as I can tell it's
not unique.