I admit that I don't know the internals of Emby - that's your area. In my case, I have segregated media shares so individual paths to each share seemed to be in order. In any case, there's more than one way to do it. Overall, I'm satisfied that it works well.
Thanks for the pointers though, well I got it installed and it's working or seems to be I can get a Web GUI, what isn't is the plugins catalogue so I've asked on the Emby forum...it's just not populating and I need to install two.
EDIT: Sorted the plugins, in my enthusiasm I forgot to add Emby to the users group.