If you haven't yet read it, Steve Huff has an extremely detailed description of his experiences with the 219 and compared it to the 518, which he also had in his house.
http://www.stevehuffphoto.com/line-magnetic-219ia-integrated-tube-amp-review-300b-and-845-tube-magic/
http://www.stevehuffphoto.com/line-magnetic-219ia-integrated-tube-amp-review-300b-and-845-tube-magic/