I got a Sonore Signature Rendu about a year ago in a bundle with a Small Green Computer i5. At the time, I was considering moving from my Sony HAP-Z1ES streamer to a Roon setup. At first I was puzzled by how to get the system set up, but Andrew Gillis at SGC has great writeups and videos on his site that I was able to follow. I have the SGC in a separate room, connected by ethernet to a network switch, with a fiber optic connection from the switch that feeds right into my Signature Rendu.
I would echo your recommendation. I've been using the Signature as my main playback device for the past year and I've been impressed by it. Andrew had been very helpful with questions I've had, and I've appreciated the setup so much that I ended up getting an ultraRendu for another room.