US Broadband: The FCC and Network Neutrality at Wired Pen is a masterful summary of the current state of things.
Adactio has some good advice about WAI-ARIA Landmark roles, HTML5, and CSS attribute selectors.
I asked this question on Quora after some discussion about it here on Web Teacher. So far no one has answered. Do you have an answer?
In HTML5, should aria-level be used with header and hgroup elements as a best practice?