I vote against the creation of a separate list, for two reasons:
1. That would imply that *this* list is no longer appropriate for
Linux-specific - or, indeed, Apache-specific or OOo-specific -
discussion. Are we to fork off separate lists for Linux, all the GNU
utils, Emacs vs. VI, Lucid vs FSF, etc. etc. etc.? And of course you
wouldn't be able to talk about OSX on this new FreeBSD list, you'd
have to use the Mach list...
2. I enjoy reading the FreeBSD-related traffic, even if I don't
understand it most of the time ;)