I've recently built a system in a Silverstone RVZ01 http://www.silentpcreview.com/SilverStone_Raven_RVZ01 and am quite happy with the sound profile (running an Asus 1070) -it only takes an SFX PSU though. I've also got a Node 304 that runs silently to my ears (but no GPU). If you step down to a 1050...