Thanks to Everyone for contributing your thoughts and passions to this thread:
Obviously, there is a broad selection in this price range.
In summary and for your research benefit, here is a wrap on what was suggested:
DACs – $5,000 - $7,000 range, (not listed by any rating):
TotalDAC d1-tube-mk2 DAC
Kitsune Holo May DAC
Sonnet Pasithea DAC
Denafrips Terminator II or Plus + DAC
Aqua La Scala Optologic
Bricasti M1 SE MDX with network card
T+A DAC 200
Lampizator Amber 4 DAC
Lampizator Baltic 3 DAC
Merason DAC 1
Weiss 502 DAC
SPL Director Mk2 Preamp DAC
Chord Hugo TT2 DAC
Doge 7 with NOS tubes
PrimaLuna EVO 100 DAC
Mola Mola’s Tambaqui DAC
Callista USB Cable
Audio Mirror Toubador IV SE DAC
Musetec 005 DAC
Simaudio 680D
Mojo Audio Mystique X SE D/A
Other components / items listed:
Audiowise SRC.DX USB to DX converter
Network Acoustics ENO Ethernet filter
Elite Plixir Conditioner