I second Bingaman above and vote for tubes. From your post it's clear that you are looking for the attributes most commonly attributed to tubes. For example, you mention that your current gear is "voiced like a Conrad-Johnson tubed preamp. The NuVista has an analog-like quality." You go on to say you want a "smooth, glare free sound". Best way to get those things is with a tube amp.
On my SL3 I run a Sonic Frontiers power 1 at 50 watts. I have a room with huge amounts of space and I don't lack for power--even with only 50 watts. Tubes are magical in many ways. Yes, an area where the power is short is in the bass. If you really wanna rock, get the SF power 3 monos. More power than your neighbors will ever let you unleash.
The moral of the story is, there are two kinds of people...
On my SL3 I run a Sonic Frontiers power 1 at 50 watts. I have a room with huge amounts of space and I don't lack for power--even with only 50 watts. Tubes are magical in many ways. Yes, an area where the power is short is in the bass. If you really wanna rock, get the SF power 3 monos. More power than your neighbors will ever let you unleash.
The moral of the story is, there are two kinds of people...