This is the list I received from Zu. Not much in the $1000-$2000 price range. Any other suggestion please?
* Audion Black Night 845
* Allnic A-6000 (with 16 ohm transformer)
* Allnic T-1500
* Art Audio PX-25 (with 16 ohm transformer)
* Bryston LP2
* Denon PMA2000R Mk4
* Dynaco ST-70
* Leben CS-300
* Luxman SQ-38u
* Manley Mahi/Mahi
* MastersounD 845
* McIntoch MA6600
* Melody I-2A3
* Melody M-300B (with W.E. tubes)
* Panasonic XR-25
* Peachtree Nova
* Yamamoto A-08S (with 16 ohm transformer)
* Virtue Audio, with tube buffer
* Audion Black Night 845
* Allnic A-6000 (with 16 ohm transformer)
* Allnic T-1500
* Art Audio PX-25 (with 16 ohm transformer)
* Bryston LP2
* Denon PMA2000R Mk4
* Dynaco ST-70
* Leben CS-300
* Luxman SQ-38u
* Manley Mahi/Mahi
* MastersounD 845
* McIntoch MA6600
* Melody I-2A3
* Melody M-300B (with W.E. tubes)
* Panasonic XR-25
* Peachtree Nova
* Yamamoto A-08S (with 16 ohm transformer)
* Virtue Audio, with tube buffer