Haven't heard it - only read some positive reviews:
Grant Fidelity W-30 Integrated All-in-one Tube Amp w/ Phono - $2,100.00 - $2,500.00.
DAC section, tube based phono stage, headphone output, solid-state rectification
3 digital inputs, 3 analog inputs
192 kHz/24-bit DAC via coax/optical inputs, 48 kHz/16-bit DAC via USB input, tape record/line level outputs, pre-out jacks for biamping or a subwoofer, pre in/out jacks for external processing or amplifier.
Remote
My understanding is the DAC section is modular so it is possible that an upgraded DAC could be swapped in the future.