Hi McMaGnuM,
I did it some time ago, and IIRC it was a straight installation into an ibay as for the ezpublish manual (normal installation, as they call it). I did it into an ibay simply because it was easier to test it right away, but I gave up on it once I realized that it needed a steep learning curve to make a site usable as I wanted it to. However, if css and things like that is your daily bred, you might find it powerful.
Italo