Being Dyspeptic about Dystopics at Oz and Ends.
How to Create a Dystopia at The Spectacle. Also at The Spectacle: Beth Revis Discusses Dystopias, Author ex machina (In which the blogger asks the question "Is the character/emotional story more important to you than plot plausibility, world-building, or the trust you can place in the author?" Well put.), and Agent Michelle Andelman on Dystopian Fiction.
And go back a couple of months for Dystopian And The Apocalypse: What's The Difference?