Revel M106 is back on discount.
Discounted price: $770.00 /EACH
Regular price: $1,100.00
https://www.audioadvice.com/catalog/product/view/id/11079/s/revel-m106-2-way-bookshelf-monitor-loudspeaker/category/652/
~$150 USD off each Revel M16 - Gloss White
original price: $495 each
https://www.audioadvice.com/specials/limited-time-offers/revel-m16-bookshelf-speaker-each+color-Gloss~White
dac8 PRO is available now. I think they will run out soon. A couple days ago, they had the dac8 stereo in stock (non-streaming), which is not available now.
1289 Euro
https://www.oktoresearch.com/dac8pro.htm
There is a discount on the Revel M106
Discounted price: $770.00 /EACH
Regular price: $1,100.00
https://www.audioadvice.com/revel-m106-bookshelf-loudspeaker
I did consider what you are suggesting but then read about RPI's electrically noisy USB. Is that not a thing?
BTW: Argon case looks good but I prefer the look of the DeskPI Case https://deskpi.com/