"Why would we want to play around with custom fields, or add stupid meta boxes in the Edit Posts page and then teach our clients and/or content managers to use them? Why not just get rid of all those stuff and have them seperately in your main menu, and the meta boxes are customized to match the exact needs of certain post types." Which is exactly how I use WordPress in commercial installations, and every time I hack around this, I long for proper Top Level Things. This is a great feature, and it's going to make my life considerably easier. Let's hope they don't screw up the 3.0 release.