The one time premium payment gets you the DVR and hardware transcoding ability. I serve my plex server to a few friends outside my house, so it was needed for my situation. You can Always sign up for free version, then keep an eye on ypour email because once or twice a year they will do a deal...
Of all the versions I have gone through my current setup is performing the best. 1 Antenna plugged into a silicon dust quattro, that is plugged into my network. I run a plex server, it picks it up and we watch all live TV through it using firesticks. Plex has a dvr and will detect and delete...