I think the Epos open-frame stands work exceptionally well with Harbeths, if the 20" height will work for you. Check them out.
http://www.needledoctor.com/s.nl;jsessionid=0a0101431f43e8ea122b15f4436ca3b695aa95eae113.e3eTax4KaN0Le34Pa38Ta38Pb310?it=A&id=2296&sc=7&category=904
http://www.needledoctor.com/s.nl;jsessionid=0a0101431f43e8ea122b15f4436ca3b695aa95eae113.e3eTax4KaN0Le34Pa38Ta38Pb310?it=A&id=2296&sc=7&category=904