Once I got over the hurdle of looking for complexity that wasn't there it's all starting to become really rather obvious.
Several times today I have sat looking at the browser just amazed at how easy ProcessWire makes things. Most of the time, the API is so intuitive that I've guessed the correct call!
In just a few hours I have the skeleton of a site, with a page hierarchy several levels deep, and it all just works!
Ryan, you're a genius!