Which DAC: Benchmark, Mytek, Audio Mirror, Holo Audio, Mojo Audio?


Looking to upgrade my current Rega DAC-R and have been doing some internet searching and these DACs look interesting and fit within my price range:
BENCHMARK - DAC3 B - $1700
MYTEK DIGITAL Mytek - Liberty DAC - $1000

Audio Mirror - TUBADOUR III DAC - $1200
Holo Audio – Spring DAC 2/3 - $1900-2700
Mojo Audio - Mystique v2 SE DAC - $2500
The other option is to just stick with the Rega DAC-R
I play CDs only and would like to maximize that format. Anyone have experience with these DACs? I have no opportunity to audition them where I live.

Which DAC would provide the most significant upgrade from the Rega? The Rega frames the music well and sounds good with almost every disc I throw at it. I’m not shooting for different and I don’t want something that will limit what's  enjoyable (CDs or types of music).
128x128musichead
MusicHead.  I'm in the same boat, looking for a DAC for <$2500.

Right now on my to-audition short list:

* Mojo Mystique V2 SE  
* Metrum Onyx
* Chord Qutest

Happy to share results with you.
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Please post your impressions on each. Add the Holo Springs to your list if possible it's on top of my list. The Mojo Mystique V2 SE is very interesting but not much information on the net about it.
Will do.   

I'll add Holo Spring and the Lab12 to my list (thanks, @headphonedreams - had never heard of that DAC.  The reviews can't be ignored, IMO).