There is no quality difference on the Dune wether you are playing directly from BD or streaming over the network from HDD apart from speed. HDD NAS streaming is faster than BD disc spinning  Automatic switch to native resolution output from DVD rip is not there, it will scale to your selected resolution. It will however automatically set the refresh rate 24/50/60 on the fly. Doesn't matter if it's playing from file or disc.
DSP8000SE, DSP7200SEHC, DSP5200SE sides, DSP7200SE rears, 861v8, 210, Sim2 Ultranero 4, Stewart Cinecurve 2.35:1, XEIT CM-5E Anamorphic lens, Dune HD Duo Cinema 8K and Wireworld Platinum 48G HDMI -> UHD722 -> Shunyata Omega Ethernet. Shunyata/Furutech power-cables/filters. SR Master Fuse@861v8. Uptone Etherregen with 10MHz OCXO clock.
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