What's stopping me from buying Roon

I think I’d take some issue with this. Roon seems to have done a careful job with Sonos, KEF, AirPlay, and particularly Chromecast protocols, as well. Chromecast works pretty well for non-extreme sampling rates, and I’d say is competitive with RAAT. But if you know something we (the contributors to the thread below) don’t, please add that knowledge to the thread below.