If you want tubes and low heat I can vouch for the new Carver tube amps that do just that. The current TAS review of the Carver VTA 305 is ligit and could easily be said of the VTA 180s.
If you become interested check with Underwood HiFi for a better price. Or
http://app.audiogon.com/listings/tube-carver-vta-180-black-cherry-mono-blocks-2012-11-18-amplifiers-98005-bellevue-wa
If you become interested check with Underwood HiFi for a better price. Or
http://app.audiogon.com/listings/tube-carver-vta-180-black-cherry-mono-blocks-2012-11-18-amplifiers-98005-bellevue-wa