I have a Thomas Mayer LCR riaa, I wrote a short essay about it for Thomas's site:
http://vinylsavor.blogspot.dk/2015/01/guest-post-d3a-lcr-phono-built-by-claus.html
I an extremely happy with it, so happy that I'm also getting the 10Y linestage, which will replace my vacuumstate RTP3D.