One of the summer's best movies is finally up for preorder, but that's not the only disc to get excited about. Recently announced DVDs and Blu-ray discs of note include: The Dark Knight DVD and Blu-ray a magnificent tour de force from director Christopher Nolan and stars Christian Bale and Heath Ledger. 12-9-08; Warner Bros. and the Homefront Collection features three all-star, song-filled extravaganzas made by the studio’s finest talents during the tumult of WWII including Irving Berlin’s This is the Army, Thank Your Lucky Stars, and Hollywood Canteen. 11-11-08; and The 4400: The Complete Series comes to DVD on 10-28-08. Keep track of all the upcoming DVDs with the DVDTalk Release List.