Similar sound gear to Sonic fr. power 2 ?

Hi everybody.
Today I auditioned many power amps combined with my Goldmund Mimesis 7,5 preamplifier.
Don't want to mention the loosers but only the winner: Sonic frontiers power 2.
As usual at the end I asked the price; the gear was in splendid status but the price.....true in Europe we are overcharged for import thrills but 5000 Euro sounded sky high- Isn't ?
Now, having defined that this type of sound entrapped me for its musicality and gracefully married with my extended SS top-highs, which other brands/model should I look for as 2nd hand ?
Noticed that SF produced a power 1 but I am not sure it will be soo good ?
In terms of power I can rund my Burnmester 995 with about 50 watts per channel and possibly less.
Would you pls recommend me easy findible 2nd hand product that i could aim for ?
What about:
Unison research Smart 845 ?
Audio research D -125 ?
Conrad Johnson range ?
Thanks for your precious advises, cannot target USA products as they are all 110 Volts, while we here run the show at 230 Volts bzzzzzztczzz
Get it ?
Thanks