Are there any plans for the above in the near future?
What precisely are you talking about? The Bachmann passenger cars are J&S cars with open vestibules. If you are referring to the open type cars like are found on the Durango & Silverton, these are converted pipe gondolas and have already been modeled by LGB a long time ago. It would be helpful if you had a picture of the prototype or could at least give us a description of what you are referring to.
as a means of identification are we talking about the ho and n models shown on the home page