My thoughts and experience match yours 100%. I stream most of the time as I find it sounds as good or often times better than ripped CDs. The Pulsar will sound better than the Pulse and Zenith 3. I good friend compared his Zenith 3 to a Pulsar in his system over a 2-3 week period and he much preferred the Pulsar. He said the Pulsar exceed the Zenith in every sonic parameter. He is very impressed with the Pulsar. I will share my thoughts after full burn in of some 200-300 hours.
Innuos told me a NAS should sound as good as the internal storage in the Zenith.