I love the simplicity and purity of your system.
I have diy SEAS Froy speakers. Humm...wonder how they would sound as dipoles?
I've seriously wanted the DAC PRE but it was out of my budget. I did run the DAC1s variable outputs to an AES tube power amp powering my SEAS Froy3s and I was blown away. And I've always been a Linn fan, as an owner in the past. You almost have my perfect system.
Congrats!