I use bd-f6500 for plex, and nextpvr client (written by reven) Works great for that, dual core device, so quite snappy.
The plex for Samsung app is not actually a plex port, but they help the devs out.
I'm pretty sure you can use Netflix , just need to sent he region to US to get the app.
There were some funny things about that 8500 device, like either the plex or one of the NZ on demand apps we not available (sorry, can't remember exactly)
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