The Oppos are all good and their DLNA performance is decent. The main thing is that you would be choosing a hard wired option from MBP to your Yamaha...
The Marantz units have to be wired for Spotify, Internet Radio, AirPlay and anything else that needs a network. In other words it is NOT wireless at...
Kinda like Sonos and their "wireless" music systems. That needs to have the main piece (the Bridge) wired to your network in order to have the system...