Another banner week for DVDs with the studios releasing some great films and boxed sets:  Ratatouille [review], Pixar's latest movie, is a hysterically funny film that's destined to be one of the years best, and the Pixar Short Films Collection: Volume 1 [review] let fans see the studio's earliest work including some of the segments that they made for Sesame Street;  Stanley Kubrick - Warner Home Video Directors Series [review] is a 9-disc set that includes the renowned directors best films;  often described as the best sitcom in television history, Seinfeld The Complete Series is also hitting shelves this week.  Other releases of note include:  Michael Moore's Sicko [review], The Best of the Colbert Report [review], Doctor Who - The Complete Third Series [review], The  X-Files Ultimate Collection, Coen Brothers Gift Set, and Amazing Journey:  The Story of the Who [review].  Be sure to check out our DVD Talk Review Database for all the latest reviews including an entire section devoted to reviews of DVDs out this week.