In reply to Alex Standiford.

Very good points IMO. Having the ability to create custom fields, metaboxes, post types, taxonomies, etc from within WP without a plugin would make it my favorite release ever.

Not only that, it might help further shed WP's reputation as a blog only platform that lacks CMS capability. I suppose that their desire to change that perception depends on their overall goal though.

Isn't the saying these days, "Decisions, not logic"? ;-)