Marco Salvi who did a large portion of Heavenly Sword’s graphics engine (and worked out the clever way we do AA amongst many other things), has just started a blog which he’s already onto crazy complicated graphics stuff (in particular shadows). On the blogs to the right but here have a link

Also Matt Hart who was the Producer on Heavenly Sword has gotten the blog bug from doing one for IGN, its also on the right but have a link anyway