I am at a loss to understand why Bhobba suffers from glare and sibilance from W4S. From my experience, I could not attribute that to the DAC itself but must conclude its source is upstream in Bhobba's system or in his cables. I have been using the W4S DAC2 for a few months now, probably have about 50 - 75 hrs on it, and if anything I find it on the laid back side of the spectrum (not unpleasantly so , although this may change with greater use.
My source is a CEC TL-1X through a Stealth Sextet AES/EBU digicable to DAC set at fixed output.
Overall, I think it is an exceptional DAC regardless of price and facilities. When those are taken into account it is the proverbial steal. And I went from a Dodson 218, no slouch itself though perhaps a bit dated at this point.
Neal