Computer for music only?

More info about the intended use would yield better answers. What software do you plan to use, to drive what, where will your music be, etc.

Www.smallgreencomputer.com
Spec'd out by the experts at www.computeraudiophile.com. not something I've bought for my own use, but something I aspire to own. I use jriver with the jplay plugin.
Pc audio is not that demanding on a system, it's more important to dedicate that system to audio only and eliminate superfluous processes. I think there are various guides on the benchmark and wavelength websites to accomplish this.

internet radio, ripping cd, download music
Quicksilver 90 watt monos, MF M1 A dac, Theta Miles as transport, Quicksilver preamp, Fritz LS 5/R speakers