Gonna bump this...After having some time to really live with the system, I've realized that, indeed, the noise floor of the Oppo is a problem if you expect to use it as a permanent pre-amp solution. Keep in mind I have (2) Rane DSP's that drive the inputs of my Crowns and even with the ridiculous output voltage capability of the Ranes and the superb A/D/A conversion within, it simply cannot make up for the Oppo's noise floor when used as the system's pre-amp. Most importantly, if you look back in this thread, you'll see where I provided a response from Oppo that stated this; so I'm not trying to bash the company at all. Just saying if you're going to be hardheaded like I was, don't expect much different than the results I had. I got it to work as a pre-amp, sure, but I'm fighting the noise vs volume tradeoff. I've decided I'm going to have to plunk down the cash for a dedicated pre/pro, unfortunately. I'm hoping something like the Emo UMC-200 will suffice.