How is DLNA supposed to work when all the bugs are gone? On a two hopper/two joey setup, would I be able to watch my movies from my pc on any unit while watching tv on the others? Is there an option in the menu that you go to or what? How complicated is it to operate for a 85 year old in-law( is it straight forward or are there multiple steps)? Would it work as well and as easy as a WD TV unit? I am happy with my 622 and two 211's, but if I could ad my home media to these units and it be easy to use, I would like to upgrade. Would like your opinions before I move ahead.