I am a little confused.. desktop? You just want a small form factor? What about under the desk? My office system is off to the side and has a great integrated tube amp powering it.
Also, the DAC is a critical component. You do not want to have it “thrown in” as a part of the deal… you want a very specific, high quality component.
I developed my desktop system over about twenty years. I wanted a deeply immursive system. It required a great DAC, integrated amp and Speakers… as well as some good power conditioning.
My current system includes Totem Mite speakers (and small subwoofer), a PrimaLuna integrated amp and Schiit Gungnir DAC. An excellent sounding system… really punchy, natural, and pleasing to listen to. I put the components off to the side and under my desk.
I also have a great Woo tube headphone amp when I want to listen to headphones.