> > But since crontabs currently live in /var, there seems
   > > to be some precedent for having some sorts of config files in /var.
   > 
   > it's arguable that crontabs shouldn't live in /var.
   
   Why aren't crontabs under /etc?

crontabs are a special case;  you don't edit them by hand, and everyone
can (possibly) have one.  perhaps /etc/crontabs would be ok, and leaving
/var/at where it is (seeing these are transient files).

has anyone asked vixie?

.mrg.