I think the arm Manitunc referred to was the Wilson Benesch Act 0.5:
http://www.stereophile.com/content/wilson-benesch-full-circle-turntable-act-05-tonearm-ply-mc-cartridge-page-2
http://www.stereophile.com/content/wilson-benesch-full-circle-turntable-act-05-tonearm-ply-mc-cartridge-page-2