If you are up to used stuff check out the Sonic Frontiers SFS40. High quality parts and construction. It sounds pretty good, its easy to retube and bias yourself, and its usually up for sale in the 600 to 700 area.
Beginners Tube Amp Recommendations
I'm seduced by the liquid sounds of tube amps but need some good recommendations on where to start. I'm looking for an entry level tube/hybrid amp around the $500-$700 new or used. My speakers are Totem's rated at 80watt & 4ohms. I've checked out Jolida 102, AMC 2030...anything else? I don't wanna spend a bundle just to found out that tubes are high maintenance and then want to go back to SS amps.