I would like to consider using the User Synchronisation plugin again, however I would like to know if I set up Single Wordpress install and then another separate Multisite Install.
Then if I have the plugin installed on both sites, the master being the Single install.
Then if I have users register on the single master install will the user details (username, email, password, display name) be sent to the sub multisite install NETWORK
i.e. will users then be able to have subscriber access to all sites in the network, as a pose to them just being registered to the main site.