There is a lot of new material out there, and some older stuff I hadn’t yet seen. These may be useful.

• An aggregator for Open Access News that can be searched by tag – I found many interesting and useful items.
• Bjoern Brembs is doing some great work on this, including a slideshow and a draft article on impact factors.
• Reasons why open access is a good idea, and urgently needed.
• Journal cost-effectiveness ratings.
• An open access pledge for authors and reviewers.
• Very thoroughly produced and interesting articles  by Brian Nosek and coauthors: Scientific Utopia I, Scientific Utopia II. The first has been published in the journal Psychological Enquiry, in a whole issue devoted to the topic, including many rejoinders from other authors.