I am using 4 channels of Lavry Blue so that I can send the same signal to both my analog process chain and as direct source monitoring for 1 button push a/b comparisons between processed and source paths (and back in my record cutting days this also facilitated having the same signal sent to both the preview and program paths). This actually worked out to less per channel than getting 2 Benchmark or Mytek DAC's - although with the Blue you don't get metering, spdif, headphone amp, or on board attenuation - and given the choice I'd probably go for 2 Lavry Black DAC's at this point.
As far as sound comparisons with other DAC's - for me the fast transients just speak a lot less smeared with the Blue as soon as you click it over to "Crystal Lock" mode. Sharp percussive elements just seem truer to life and a little more "3d" through the Lavry than other things I listened to.
Best regards,
Steve Berson