ok. tried. failed (not quite smooth enough. plus i had to resize the cap which was annoying, as it is a trimmed surface and still didn't get results as smooth as i was hoping) so i did the only other possible thing: changed it to poly and created poly and went from there which was annoying and isn't nearly as nice as what i would have liked, and the mesh is really ugly. but i don't think i had any other options.

kept original NURBS one though, in case someone comes up with some other idea.