PS Audio PWD II vs. NAD M51

I'm probably getting one of these two. A little help please?

No experience with the NAD, but I got the PWD II once it went on clearance with the advent of their DSD model.

I am still giddy in love for it even after 9 months.

Hello. I don't have much input, but I'm interested as well.

What will be your source? If computer, there have been several reports by users on another forum highlighting the positive impact of using a good USB-to-SPDIF converter to feed the M51 vs. using the included USB input. The two converters I recall mentioned were Audiophilleo and Yellowpuc.

Don't know if those converters have a significant impact on the PWD.

Get the PWD.. when you want to upgrade there's a simple cost effective path.

I have an Audiophilleo 2 and plan on using the spdif inputs on either unit.