A big vote should go to the Beresford DAC, I think. A very flexible digital control centre and great vfm too at only around £100 - it's brought good sound to a lot of folks who otherwise couldn't have afforded to get to that level.
And Stan B's a nice bloke, too!
Spotify Premium streaming, DAC3 NOS TDA1543. Philips Black Tulip 270 pre / Black Cat mono power amps. Speakers: MBL 116F. Atratus3 i/c & Western Electric 16GA spkr cables. ProJect and Nordost Magus power cables
Headphones: AKG 551, JBL Synchros S700, B&O H6, PSB M4U-1,Beyerdynamic DT-150, B&O Form 2 & 2a and Sony XBA-H1 & SoundMagic E10 IEM headphones
2nd system: Pioneer DVD transport, Rotel RP-3000 tt / ADC XLM, Audiolab MDAC, Philips 370 power amp, Klegg Symphony 102 speakers