> original sender.  It is my understanding that once any editing is done, than the
> post will not reflect the original writeres post.

That is entirely a matter of how the editing is done.  It is possible to
edit any item, regardless of the approval technique (forward(bounce) or
ok, makes no diference).  This does depend on the mail system one is
using, may not be possible with some, and how much time one is willing
to spend at it.

> I would like to have about 20 to 30 subscribers be able to post directly to the
> list, as they have been proven worthy of the rules.  Also from time to time I
> would like to upgrade subscribers to this status.

Sounds like you want a semi-moderated list.  Everyone is set REVIEW until
the listowner changes that setting.  You have to put REVIEW in the
Default-options= and reset everyone you don't want posting directly,
who is already subscribed to REVIEW.  Those allowed to post directly are
set NOREVIEW. (When you do a query on a sub NOREVIEW will not appear,
but REVIEW will; if it ain't there the person is norev.)

> A question that concerns me is the editing of the "List Header" or configuration.
> Is it possible to setup the list so that the editors or moderators cannot change
> the Header settings.

You can specify any address you wish for Editor= and Moderator=.
If those addresses are not also listed as OWNER= they will not be able
to change the list header.  Only OWNER or the site administrator can
change the list header.

Can't advise on the editor/moderator dichotomy.  All my lists are
semimoderated, 2,000 - 4,000, and I am the sole editor (save for those
subscribed and norev who edit themselves). Never seen the need for an
army of moderators so have never studied that aspect.

Douglas