Lost director-producer Stephen Williams has inked a new two-year deal with ABC Studios, where he will continue to direct multiple episodes of the drama as well as get promoted to co-executive producer.... Not about to be one-upped by Valerie Bertinelli, Letterman sidekick Paul Shaffer is penning a memoir filled with "anecdotes that have been accumulating in my mind for the past three-plus decades," the musician tells the AP. Expect the tome, due out in '09, to set a record for occurrences of the word "nutty".... Shooter last week repeated as the DVD sales- and rental-charts topper. Blood Diamond was the No. 1 HD DVD seller.