If possible check out Octave. MRE 130's are my first thought with KT88's. Now I just read Octave just released an amp designed with the KT120's - the RE 290.
http://www.octave.de/en/htdocs/verstaerker/re290.php
Good luck
http://www.octave.de/en/htdocs/verstaerker/re290.php
Good luck

