The Bookster tweeds are all from different mills whose cloths are readily available. Granted that's only - or at least mostly - bespoke or MTM so that doesn't help you at this point. But it might be worth looking into if someone like Samuelsohn could do a reasonably priced MTM job in that style. Or have a look at the forum darlings - Howard Yount, Kent Wang or Panta. No idea on the selection or prices since I'm not really interested in RTW but maybe they'll have something that works for you.