The Lampizator Atlantic TRP is my first Lampizator DAC. Even acknowledging the generous and helpful trade-up policy, I personally understand that digital source technology rests on quickly changing sands, so am entirely sympathetic with aiming for bang-for-buck; it's what I did here and I couldn't be happier.
I have had some good units: Audio Alchemy DDP-1/PS-5, Chord Qutest, PS Audio (DS and DSJr) in the past. The Lampizator blows them out of the water in terms of tactility, presence, and tone. So far, with the tubes I've rolled, I would say the Chord (best of the others) has moderately better attack, microdetail and bass control (if not profundity), but the Lampizator outdoes it in every other meaningful way: sound staging, tonal richness, and all the other things that let you feel and really connect with the music. Especially with the tubes, I'm using I have no urge to upgrade or switch.
I have tried the Soviet EL34s (stock), very fine NOS 1950s RCA 6v6 tubes, and now the plain old new Gold Lion KT-66s, which are my favorite. I also rolled in a 1950s NOS RCA rectifier tube, but am sticking with the new one that shipped in box. As much as I kind of wish I tried the Amber, the joy of tube-switching has been a real revelation, and will aid lifetime system matching. I have no regrets about buying this great unit!