Best sounding DAC with a Rega Apollo

Need some input from Rega Apollo owners who use a DAC with this player. I have owned the Apollo for over two years, and like it alot, except for the clumsy top loading feature.... And, it is a also tad bright. Considered the musical Fidelity V-DAC,and their more expensive M-1 DAC

Recommedations for this DAC/player interface don't have to be the most expensive, just the best sounding with the best synergy. I am switching out Apollo IC's to a Chord Company Chameleon Plus which comes highly recommeded. I also switched out the Apollo's standard PC to Shunyata Diamondback PC several months ago from Music Direct on a closeout. It's OK; but I have been recommended the Acoustic Zen Tsumai Plus PC

The Apollo is hooked into a Bel Canto PRe3 pre-amp which is hooked to Red Dragon digital mono blocks driving Acoustic Zen Adagios with AZ's Hologram 2 speaker cable

BTW I know nothing about digital cabling or Toslink, etc, etc so will need some help there also Thank you, Jim