Wow, at last someone's asked me about my member name. Was my nickname at school, well actually 'Onion' was, shortened from 'Spanish Onion' as in 'you f*** bl** Spanish Onion' - so it stuck (I'm half Spanish). You couldn't survive '70's British schooling without being given a 'name' and I think I got away lightly compared to some others.
These streamers come with a built in display, to be used with a remote control, though they've also got dedicated apps for iOS & Android devices and being UPnP/DLNA renderers can also be controlled by standard UPnP/DLNA control point apps. So don't need TV/monitor, in fact don't have any form of 'video out'.
Yes I do have a couple: the Pioneer N-50 and Denon DNP-F109.