09-03-2013, 12:18 AM
The Plex app on a Roku is pretty limited (from what I understand, that's more an issue of the Roku APIs than the Plex devs, but still).
Going direct via HDMI you should be fine for playback. Install Front Row (if you're running anything newer than Snow Leopard on that mini) and Perian and you'll be golden.
Going direct via HDMI you should be fine for playback. Install Front Row (if you're running anything newer than Snow Leopard on that mini) and Perian and you'll be golden.