I've heard the Taylo Reference Monitors with both PS Audio and McCormack equipment (100-125 watts of amplification) and they were amazing - a steal at their price point. You really need a sub with them, though. For some reason that Seas woofer just doesn't produce bass like, say, a Scanspeak woofer of comparable size.
I've not heard the Taylos with tubes, but I'll bet they sound incredible - maybe even better- with tubes. They were so transparent with the SS stuff I'll bet they sound very musical without totally sacrificing detail and transparency with good tube gear.
Good luck!