I've been reading your site sporadically for some months: to educate myself and formulate some next steps. Anyway, I saw your note on visiting San Francisco, and would be happy to host you for some music listening. What I offer from a system standpoint is modest, and simply another data point. I have the Orelo Mk II speakers from Bert Doppenberg (I've read your comments on these speakers). Amplification is chip amps (also made by BD). The front-end is all digital, but probably as good as this format can get. The front-end equipment comes from Phasure, includes customized PCs with minimized Windows OS, the XXHE player, and the non-oversampling NOS1 DAC. Some custom USB cables and interconnects also from Phasure. This may not be anything you want to listen to, but it is a data point. I would not consider myself any sort of audio expert, but I love music, play some instruments, and would welcome an opportunity to host and meet you.