So if you go to the pages for
Redguard and
Battlespire on the UESP, they have little guides to help get them running on DOSBox if you haven't seen it yet (It's under Technical Info on Redguard, and Misc. Info on Battlespire.
I don't know if you've seen it yet, but hopefully it helps
Oh, and Morrowind Rebirth's 1.8 release came out today if anyone cares.