Is it possible to adapt a few well-made extra party member mods (Kay, Maxis, Mekel and Yuthura for K1, Dustil for TSL) into PartySwap-style way of summoning so that the new party members still join the party but don't take somebody else's spot?
One other fan had an idea. How about a mod that alters Calo Nord's appearance on Leviathan and one of the Star Map planets? Maybe include some cybernetics or wounds? There's no way Calo would survive a pile of metal unharmed.