Make complete site private & track activity

Hi all,

A client of mine wants a projectsite that is completely private (also pdf’s and images) and give certain people a username + password so they can see the complete website and content.

I’m looking into using ZM AJAX Login Register Pro for this.

My client also wants to be able to see what pages these certain users have visited, what PDF’s the downloaded, etc. Is this even possible? And what plugin would you suggest? Because on some level this plugin should ‘know’ what users are created with the AJAX plugin, right?