What is the Best Amp.... to Mate With the Townshend Allegri Preamp?


What amps mate best with the Townshend Allegri (Passive) Preamp?

Does anyone have the Townshend Allegri Preamp?  

If so - what amps have you used with it?

Is it superior to all other preamps?

Someone has to have one?  No?????
bassdude