UPDATE: 7/19 @ 3:00 PM
From the "You Are Really Reading Too Much Into It" catagory, the New York Times gives us this wonderful diatribe on how Harry Potter reinforces the myths of neo-liberalism and the capitalist model.
Daniel Drezner should be credited with the link, and his "responses" to the article are also worth the read.
MORE ON POLITICAL POTTER THEMES
This also talks about neoconservative leanings of the HP world, though in far less post-modern langauge.